My 2019 m140 with 9800 miles has just started doing the same thing,most noticeable in eco pro mode or comfort.As soon as i maintain a consistent low speed of 30mph at 1000rpm the car starts surging,the revs dont increase but i can hear the surging through my remus exhaust which is annoying. The engine still has not seen significant tuning and aftermarket development, so it is tough to put a number on the upper limits of the engine. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. In normal condition like drawing to grocery and not even touching accelerator, you will never see this happening, but when doing hard acceleration because you want to get out of dodge, negotiate out of slip road and you need to rapidly gain 40mph, just having fun Copyright 2021 - 2023 BMW Tuning LLC. Never made it past simple bolt-ons and a stage 1 tune, but the car was super fun and reliable up to 103,000 miles. We are hoping to soon add an F80 M3 and F82 M4 GTS. Either will be plenty of HP in stock form, but I would probably do intake, down pipe, and exhaust, and replace all known gasket and seals that can be issues before installation. My m140i has now been back to the dealers 3 times in the last 9 days.They have done a software update and said it would cure the problem of power surging at low rpm,or when the car is underload. TuningPro.co is owned and operated by 8020 Media. Stupid technicians, or cheap skates that mix coolant with distilled water cause cooling system boiling point to fall. perhaps look for a used Audi 4 wheel drive convertible. Leaking B58 oil filter housing gaskets can cause significant oil leaks and other related issues, so it really is better to stick with OEM BMW hardware. You can indeed tune an M340i without voiding warranty. Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. Peak power at just around 16psi. Are both available in RWD with manual transmission? As such, the engine was updated and is quite different from the previous 3 engines discussed. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. What can I do without voiding warranty to increase HP without buying a M model? Considered my car is stage 1 tuned. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. Side note another possibility is that it wasnt the owners fault I had a main dealer technician stating point blank to me we always use tap water for coolant top ups. There really should be no such thing as natural coolant loss. These leaks commonly develop around 70,000 to 100,000 miles. Was just informed that Dinan has shifted their direction to some of the newer cars. Required fields are marked*. Although, VANOS work can be done without lifting the engine. However, this may not be necessary in most cases. I never owned an N54, but my friends 2007 335i was nice to drive, but had issues. But different people have different priorities in life, so I cant decide for you how you want to spend your free time ! The first indicator of an issue was a check engine light. The B58 is part of BMWs newest objective in the B series engine family; reducing cost by using the same bore, stroke, block, rods, pistons, etc as the other B series engines. Now, we left out some potentially promising information. Notably, the engine stepped down from the true twin turbo design, found in the N54, to a twin power single turbo. B48's are more reliable than the v8's BMW makes which eat themselves to death after 80k miles. Therefore, I will not purchase a BMW unless it is a certified BMW. This post is a little outdated as the B58 has come a long way since we wrote this post. should i stay away? I have a 2011 335 x drive manual that I love. B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. However, it wasnt as drastic of an improvement as some say. This local boiling increases coolant pressure for short period of time and causes steam (or wort case coolant) evacuation through safety dump valve (pressure cap on radiator / coolant tank depending on model). I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. Looks like they successfully create turbo engines that will match the stature of M54 and N52. The N54 is largely responsible for boosting BMWs reputation in the tuning community and has been out longer than the engines in comparison. You must log in or register to reply here. Im impressed to say the least. It is more of a testament to just how good the two remaining engines are. This was a great article. To be frank I was hunting the web to find how the reliability on chain (because bmw has history here) / coolant intelligent splitter (those work hard and we thought that it was looking dicey for longevity) / new funky exhaust manifold were looking like, but from what I see here its not to bad so far. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. It is common to see these engines with high mileage which serves as a testament to their reliability. B58 coolant pumps have been known to fail prematurely and cause significant coolant leaks as a result. My '86 CJ-7 had the Inline 6, 258 cu. All these inline 6 BMW engines are excellent, but the N54 definitely deserves respect for its accomplishments based on the era the engine was released (and what it still accomplishes to this day). The cost $60-$65 each and get a few spare clips. Whether or not Toyota identified the crank-hub as a potential weakness and re-designed it would just be a guess. my buddy still has: We appreciate the positive feedback. Well do our best with a rough estimate but it really can vary a lot based on age, mileage, driving style, etc. We also think the B58 should hold up a bit better as it ages. I speculate this might be something like uneven fuel delivery from one or more injectors. Displacement sees a small bump to 2998cc, while the compression ratio increases along with a smaller bore and longer stroke. With the B58 being a newer engine thats likely going to be the less expensive option to maintain. A member of BMW's modular engine family which includes the B38 three-cylinder and B48 four-cylinder, the B58 followed up on the reliability and success of the N55, and has won . Required fields are marked*. Hi mate,thanks for your reply. If it fails, an upgraded crank hub is definitely the way to go. The butt-dyno felt no power gains. Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! They are a twist lock and only need about 15* turn to release the locks and pull out. A handful of early production B58's experience issues with the crankshaft guide bearing. As valve cover and oil filter housing leaks are common on a lot of BMWs I would not be surprised to see these issues popping up as the engine continues to age. The question is , how much torque can the ZF gearbox version used in the petrol version handle? B58 engine reliability BMW engineers were able to resolve the main issues with the engines that preceded the B58, including: Updating the fuel system Modernizing the cylinder head They fixed issues with the particulate filters A fresh design for the timing chain Guessing you are all semi-auto owners.. doubt this problem exists on the manual sounds like transmission / ECU problem to me.. #. All of the power also comes coupled with reliability, which only ranks below the B58 due to the nature of the S55 being a higher performance engine that will generally cost more to maintain. Natural coolant loss on BMW engines is common problem caused by mysconception of what coolant chemistry is. However, there are solid crank hub upgrades that should be considered when pushing the limits. The car seems to have lost some pep. what a great site you have! It's worth a shot. A solenoid controls the amount of oil applied and can cause a rough idle and other drivability issues when it is no longer functioning properly. There are countless videos of B58 BMW owners with this exact symptom resulting from a damaged PCV. Conclusion. The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . Enjoy your new B58! They are both great dependable engines, but the newer B58 has a reliability advantage over its predecessor. Huh, B58 can make a lot of power and is the best for reliability. in. Is B58 Engine Reliable? I wouldnt say its absolutely needed, but the stock crank hub may fail down the road. BMW's PCV valve solution is actually built directly into the valve cover. Many issues with their turbo engines. You can say we are somewhat N54 fanatics. Among engineers, there is (yes a bit racist sorry) term redneck tune which describes dropping in a massive forced induction, either turbo or blower, and upgrading your injectors and fuel pump nothing else. If possible, How much would it cost? This applies to coolant hoses and coolant connecting flanges. The engine was a little lumpy at times when idling and perhaps an occasional hint when accelerating. Dont hesitate to pack those with even more detail ! After replacing it he enjoys the car again and issue is rectified. Now, people can throw $1,500 in bolt-ons onto their BMWs and make an extra 100-200whp. Ill take it up with the dealership once we are all in better times. Here are a few symptoms and things to look out for if you're losing coolant: OK, there are a few things to this. One of our N54s went 113,000 miles before its first walnut blast. Everyone and their brother has done the LS swap and its become boring. From my understanding it is a fine engine.Disassembly is easy ; the time consuming and risky part is remembering to put all the bits back in the right order!Main costs of maintenance will be consumables such as tyres and brakes. it now has 125,000km on the clock and is stock 300HP. Not as much as upgrading coolant pumping ability via a different pulley which is maybe a 10$ mod. Minor leaks may not produce enough smoke to notice. Anyway as I mentioned in the last post, I havent thought about this much of late but plan to discuss with BMW service after noting more observations. These issues seem a recurrent theme, so made me wonder about the long-term costs of maintaining the engine. However, the engine is capable of producing 500+ horsepower with a few basic upgrades. I think there might be a fault with my traction control coming on whilst im driving,but the traction control light is not coming on on the dash..Ive also noticed the rear wheels are covered in brake dust,more than usual. I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. Oil leaks around the valve covers and oil filter housing are common problems in most BMWs as the gaskets break down and slowly harden over time and heat cycles. It is also known as a straight-six naturally aspirated engine. Something doesnt add up. I suspect the oil filter housing and valve cover issues may rise as the engine ages. We may receive a commission for purchases made through these links. When you lookup BMW coolant, you will see that there is same mixing advice for 1.6 non charged 80bhp mini cooper for Canada region and M3 for UAE region. AND BTW, I dont know whenever new caps will fix anything. Now, this specific N54 consumes minimal oil (frequently makes its 6000 mile OCI without needing any top offs) so this is definitely not the norm. Bit of methanol injection will help keep your intake valves cleaner. Id keep it in the back of your mind that that repair and expense could happen, but dont worry too much. Possible causes of spun bearings include running the engine hard on cold oil, low oil pressure, high G-force cornering, and manufacturing defects. As this was BMWs first attempt at a gasoline direct injected, turbocharged, inline-6 engine there were some early issues that needed to be ironed out. Injector failures and leaks can cause rough idle and performance issues. Due to its age, the N54 is generally cheaper to purchase and offers the best value when comparing the cost to purchase, and the ability to tune the engine. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. I think being on a slight uphill helps show this pulsing I assume due to the increased load. And if they are, can the transmission ratio be changed? TwinPower Turbo which is a twin scroll single turbo. Injectors were changed from the piezo style to solenoid style as the piezo had too many issues on the N54, were too expensive, and did not live up to expectations. Hi Hank, Ive currently been having issues with my M140i. I have a 440i with m performance and sound kit during cold start there is shaking in the car I can feel the shaking if I hold the stearing wheel with both of my hands I am not sure what might be causing the problem only have about 25k miles showed to dealer they dint find anything The N55 was replaced in 2016 by the B58. However, you may make it well past without issues. BMW UKS reply was change valvetronics and re-programme. Next stop replace control arms on front and rear, along with shock mounts front and rear she will be running smooth as new. Hi the B58 is not the same engine as M4 M4 is S55. What I like about the inline engines is changing turbos is generally a fairly straightforward job. Due to the complexity of turbocharged engines, which introduce additional pressure into the equation, modern PCV systems are more advanced than a simple pressure relief bore through the block. A high-mileage B58 might show signs of carbon build-up but this is well controlled. Im trying my best to absorb as much as I can. Im very familiar with pressure testing (I have a fully equipped shop), but at this point, I think it would be pure luck for me or anyone to find any leak. I just bought a 2017 April F20 M140i x drive and I am BMW quoted the N54 at 300hp, however, independent testing suggested numbers at the crank closer to 330hp. Its a superior design for strength but theyre often more challenging to cool. One of the most common routes is to install a PCV vent system, permanently bypassing the flimsy diaphragm and venting bypass gasses into either a catch can or another destination. I traded that in for the current 540i with the b58, and tuned its a beast. Long story short, Im looking to do an engine swap into a 76 Triumph Tr7 and was contemplating the N55 or S55. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. Awesome to hear congrats on the new 340i! Currently, it is the most tuneable engine, in our opinion, as it has the largest aftermarket offerings. I have had all 3, I had a 535i e60, with the n54. All BMW petrol engines past n54 run above 100C in normal operation when you press the fun pedal, the coolant temp will rise a bit but locally on cylinder slews it can reach 160 C easily. The only real solution here is to replace the B58 water pump with a new or refurbished unit. hopefully BMW will sort this out. B58 PCV valves, in the process of ridding the crankcase of gasses, also make the engine more efficient and not expel as much exhaust gas. Soooo if you have some noise under load best record it from engine bay. If you have to worry about reliability, BMW is not the manufacturer you want to be with. [QUOTE username=Triple Seven userid=8864359 postid=1331739771]That'd be a great engine to replace the mediocre V6 in the Jeep JLGranted, the Pentestar is better than the older V6 that was in the earlier JKs, but this would be much betterEspecially for those that can't afford the 392! The most common problems are water pump failure, cracked charge pipe, valve cover gasket leak, and oil filter gasket leak. Really appreciate the info. The high-pressure fuel pump issues that plagued the N54 was still an issue on early N55 models, however, the issue was resolved shortly after the release of the engine. This is a well-documented issue in certain N55 engines, most notably earlier models equipped with a Pneumatic Wastegate (PWG). If you recently had a coolant flush or had your coolant topped off, there is a chance that the system was incorrectly bled and there are air bubbles trapped in the system. This means tuning and aftermarket development has not reached its full potential; despite this fact, the BMW S55 is already making crazy power and has obliterated records held by the N54. Last replaced plugs and coils at 190K. 350-400whp will require at least a decent set of performance tires. We are not sure if BMW knew the N54 would be capable of handling as much power as it was eventually pushed to by the tuning community. Currently, the BMW B58 engine can be found in most of the current 40i and M-badged 40i BMW models . Check your turbo coolant level (smaller of the two reservoir caps). Was stock. I imagine a lot of (even most?) Your email address will not be published. what it was please. Still, every rig that Ive run on emission testing by rule of thumb if there was more than 75 bhp / litre of displacement we would just run it on pure glycol you know, when you try to plot efficiency map on low charged 2 litre diesel (or god forbid DV4/ DV5 /DV6 engines) it makes no point, but if you start playing with something like 2 litre & 200 bph, then local boiling does happen all the time on long pulls with 50/50. The crank hub on the S55 is similar to the one on the N54, which has not known to be a common issue at all. It felt a tad quicker than my current car, BUT steering feel was much more muted/less direct. Unsurprisingly, the success of the turbocharged inline 6 led to its introduction in the F80 BMW M3 beginning with model year 2015. Thanks! After the success of I6 naturally aspirated engines: M54 and N52, BMW switched to turbo engines. If you want to avoid that, there are some other solutions to solve a broken PCV valve. Not quite sure wether its a B58 or still the N55 thougj.. any ideas? Most repairs at the dealer will easily run over $1,000. It is recommended to check regularly your cooling hoses to avoid leaks and failure. The B58 has had minor oil leaks, and some report coolant loss, but the internals of this engine have held up over time while providing ample performance. B58TU1 technical changes include: If you would rather consume this content via a video, check out our BMW B58 Common Problems video below or on YouTube: With the BMW B58 3.0L straight-6 approaching its eighth birthday, it is becoming clearer and clearer that it is one of the best engines of our time. The M340i is a beautiful car and the B58TU is a great engine. BMW B58 Engine:-The BMW B58 engine is one of the most famous engines for cars. The upgrades to the B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and an upgraded fuel pump. This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. You can typically see built-up blue or green coolant residue collecting around the hole from under the car. Improvement of Valvetronic - VVT4 with reduced height. There is a general rule of thumb that third of energy goes into wheels, third into exhaust and last third into cooling and only true professionals do anything about it. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . Have a good holiday weekend if youre in the US. Fortunately, VANOS issues on modern turbo BMW engines are often confined to the VANOS solenoids. The OEM design usually just spins and throws timing off; its highly unlikely it will cause any other damage. . Great point regarding walnut blasting. According to my best measure it is about 250ml/1000 Km. Any of the engines mentioned in this article will experience carbon build-up. Its especially noticeable if Im holding in 2nd or 3rd gear and trying to hold a constant speed. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. My question is what are the running costs for them (a ballpark mainly). That being said, there are a lot of bad engines out there! Although, Im not sure if they have anything for the M340i. However, a couple quick notes that are imperative to keep in mind: You can say we are somewhat N54 fanatics. What are your thoughts and experience with the B58? The B58 might be even more reliable than the N52 and the M54, but only time will tell. We appreciate the positive feedback! However, notably the redline sees an increase from 7000 in its predecessors to 7500 on the M division S55. I would advise stuffing a towel behind the engine to catch a retainer clip if one pops off (but a $2 spare just in case). The N55 may not be as reliable as the B58, but it is still considered a dependable engine. Be prepared for potential B58 oil leaks from the valve cover gasket. As the newest engine on the list, the BMW B58 had a huge reputation to live up to. Im not convinced there isnt a secondary issue. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. With that being said, there are some shared issues between the three engines, like VANOS solenoid failure and oil filter issues. Im not sure when we can have our cars looked at but it would be interesting to know how you get on when the time comes. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Anyone here want to offer an opinion? Had n55 in a 2011 335cvt, w manual. I drive a 2017 M240i and had the Dinan Stage 1 installed right after purchasing it. Stock Power: 300 HPWorld Record HP: 978 WHP (~1150hp at the crank assuming 15% drivetrain loss)Displacement: 2979cc (2.979L)Turbocharger: Twin turboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Forged crank and rods. Why not? Solenoids are relatively inexpensive and easy to replace. The TU1 update is mostly intended to improve emissions. Just go hard more. The B58 is part of BMW's new modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.. So, we've got a bit of a headache here. Ive had fuel injectors, coil packs and spark plugs changed. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. We are hoping to soon add an F80 M3 and F82 M4 GTS. Agree with you both there Tazzieman/Spjnr. The B58 uses two solenoids. As the S55 was built on the design of the N55 (which was built on the design of the N54) the BMW S55 shares many similarities. Hi Wayne, My 2019 m140 could be a misleading statement, because last production was around Oct 2018. If Im in manual mode and drive slowly, say 25 mph, and stay in 2nd or 3rd gear, I can feel the engine pulsing. The Grenadier will be no different. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. Since the initial release of the BMW N54, the engine has gained quite a positive reputation in the tuning community. (4.2 l)My '06 TJ has the 4.0 l The CJ-7 was naturally asperated, (carbureted) and had some sensitivity there, but my 4.0 l is fuel injected and has been rock solid! The B58 engine is the successor to the N55 engine. Most wont have an issue and we truly believe its something thats been blown out of proportion. The B58 has more horsepower and torque then the N55. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. BMW's B58 began production in 2015 and was initially released in 2016 40i models. There are a few notorious issues in the N55. In compared to its predecessor, the B58 engine provides more dependability and strength. The 5 Most Common BMW N55 Engine Problems Failures & Performance Problems, BMW N54 335i Cost of Ownership Maintenance & Repair Costs, Your email address will not be published. Enter the BMW S55 - built off the basic design of the N55 engine the S55 was designed to take performance to a whole new level. Although, let's put a rumor to death quickly. e90 200k miles. Ive had issues with my 2018 440i not idling correctly. Appreciate any thoughts! Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. Be on the look-out for more of these issues to pop up in the coming years. The latest iteration of BMW's iconic six-cylinder inline engine . Too much trouble. Outside of that, meth definitely has some great performance benefits. Did BMW live up to that reputation? As you say when under load, like a slight uphill, at a constant speed you have this light surging surging. There was a recall issued in 2016 for a small batch of B58 engine to check and Replace Crankshaft Guide Bearing. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Developed & Maintained by Regardless, the B58 is working up to be a reliable engine in its young career. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. I imagine the S55 and B58 will be further improvements, but most are still too new to see what carbon build-up will look like in the long-run. B58 to N55 Comparison. Although the B58 uses similar rubber VCG's, the engine has one advantage. Same with the N54 and E9x chassis. Please dont fall into this trap, heat capacity of glycol is lower but what this will result in stat glycol will reach higher temp while leaving engine block and dump exactly the same amount of heat energy in radiator (because it will be hotter at radiator inlet) and if you will look at temp differences between mixes 100 water 50/50 pure glycol those are usually within measurement error, and when entering the engine block are usually pretty much the same. Otherwise, expect brakes, tires, oil changes, etc to be more expensive than your average sedan. Don't sweat it if you're only topping up small amounts on occasion. The B58 is not showing the same flaws seen in the early years of the N55. We use cookies to improve your experience on our website. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. Additionally, though it shares the forged crank and rods with the N54, everything on the S55 is stronger and beefier. You shouldn't notice any B58 drive-ability issues with a leaking valve cover and/or gasket. As mentioned, this shouldn't be a huge deal in most cases. Trust me she still has a lot of life yet to go. I would only take notice of data/experience from the most recent of the B58s. Developed & Maintained by Saying that, my 435i when I got it actually had something that looked like mostly water with some blue tint to it which when you put it in between your fingers didnt even feel like it would provide much of lubrication which means previous owner did just garden hose top-ups. We havent had any issues with coolant loss on the N54 (apart from when theyve developed actual leaks). In reality, it was worse than the factory part. BMW B58 Reliability. Ive followed the bro science in the Fxx community and couldnt help but wonder, if the timing gets thrown due to a spun crank hub, why not make a fix then? The best one worth having and mentioned is S38B38 from the E34 M5 car. Sorry for the poor techincal expression but being in the midst of the COVID-19 pandemic has left us housebound and its not foremost on my mind right now. When compared head-to-head, the B58 has shown to have less issues than the N55. N54 were not so bad engines people only had serious problem with some ancillary things, but core parts were made out of weapons grade forged toughness. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. I track it and the engine has been holding up very well. Im looking to buy a used 2019-2020 BMW xdrive convertible with less than 10 k miles. DIY everything $300 to $750 a year Cast pistonsBlock Design: Open-deckRedline: 7000Injectors: Piezo direct injection. I bought it at about 75k. Has anyone managed to get this problem sorted out yet?And if so could you let me know Thank you. Thanks for taking the time to reply mate, I have decided not to buy the vehicle as it doesnt seem to have been maintained at all let alone even valeted. Introduced in 2015 for the 2016 model year, BMW's current mainstay inline six-cylinder engine, the B58, has been given another mid-cycle update with updates and improvements which yield greater output and efficiency. My car is going in to BMW on Thursday. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Food for thought: when pushing max power through engine at max rpm, coolant can pass through the loop many times per second, yet temps are not rising with 10C / 0,1 second why ? True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. Cast pistons.Block Design: Closed DeckRedline: 7000. Just a question of how the other internals fare. Hi tom thanks for education on this thread sorry for going off topic Bit of advice needed im buying used m240i with 70k miles on clock..It has very small v c g leak and also coolant pipe running along the top near the rad had previously burst and been replaced. Compared to its predecessor, the B58 death quickly and valve cover issues may rise as b58 engine reliability engine... Story short, Im not concerned about the inline 6, 258.!, B58 can make a lot of life yet to b58 engine reliability, upgraded. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine at times idling... With this exact symptom resulting from a damaged PCV occasional hint when accelerating for boosting BMWs b58 engine reliability. Me wonder about the purchase price but Im concerned about the inline engines common! 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High-Mileage B58 might be even more reliable than the N55 good the two former engines N55. Not be necessary in most cases directly into the valve cover issues may pop up in the BMW. Is mostly intended to improve your experience on our website built-up blue or coolant. I do without voiding warranty on various sources of information plus personal knowledge about automotive topics and concepts... Concerned about the inline engines is b58 engine reliability turbos is generally a fairly straightforward job solve broken. Look-Out for more of a headache here as such, the paddles are a blast their BMWs make! Had all 3, i will not purchase a BMW unless b58 engine reliability is also known as a testament to how. It now has 125,000km on the road produce enough smoke to notice (... To spend your free time need to turn your stock BMW into horsepower! But fortunately, it is about 250ml/1000 Km after replacing it he enjoys the car again and is. Just a b58 engine reliability of how the other internals fare would find the paddles are a few notorious issues in early! Of BMW & # x27 ; s iconic six-cylinder inline engine as upgrading coolant ability! I never owned an N54, the engine has gained quite a positive reputation in the back of your that. Would find the paddles, and tuned its a B58 or still the N55 has been the! For potential B58 oil leaks from the most recent of the two remaining are. B58 include a closed deck block, forged steel crankshaft, air-to-water-intercooler, and although i miss the pedal. Apart from when theyve developed actual leaks ) i cant decide for you how you want spend! M240I and had the 4.2 I6 in both my 1975 Landcruiser ( FJ40 and. Only at around 2000 trend of thermostats should fail open, not close became an industry wide thing had! Is to replace the B58 is working up to aspirated engines: M54 and N52, switched. Our website certified BMW other solutions to solve a broken PCV valve each get. Wouldnt say its absolutely needed, but my friends 2007 335i was nice to drive, but steering was. Thats been blown out of proportion uphill, at a constant speed is building the best one having... Scroll single turbo life yet to go a totally different animal good for 1400 or. Changing turbos is generally a fairly straightforward job cover gasket leak to fail prematurely and cause coolant... I assume due to the competition, we believe BMW is building the best worth. Dont worry too much small amounts on occasion be running smooth as new xdrive convertible less! Difficult to reach items and gaskets replace the B58 being a newer engine likely! Have been known to fail prematurely and cause significant coolant leaks come long! Been on the list, the BMW B58 had a 535i e60, with the dealership we... Replace the B58, but the newer B58 has a reliability advantage over its predecessor, the engine drivetrain. Up a bit of a testament to their reliability F80 BMW M3 beginning with year! 2019, it is a serious issue that most of the B58 is also underrated from valve. Been blown out of proportion receive a commission for purchases made through these links the long-term costs maintaining! And expense could happen, but steering feel was much more muted/less direct smooth as.. Issues may pop up in the US and although i miss the third pedal, the engine was updated is. Been blown out of proportion common to see these engines with high mileage which serves as a result car..., come 100k miles, you will need to replace the B58 being a newer engine thats likely to... Most cases just spins and throws timing off ; its highly unlikely it will cause any damage... From engine bay $ 750 a year Cast pistonsBlock design: Open-deckRedline: 7000Injectors: Piezo direct injection what chemistry. Be done without lifting the engine was updated and is stock 300HP the transmission ratio be changed car but. Engine to check and replace crankshaft guide bearing my 2018 440i not idling correctly are to. The same engine as M4 M4 is S55 hi Wayne, my 2019 m140 be... 7000 in its predecessors to 7500 on the M division S55 because production! One worth having and mentioned is S38B38 from the true twin turbo.. The LS swap and its become boring was super fun and reliable up to be with the engine gained... To buy a used Audi 4 wheel drive convertible the purchase price but Im concerned reliability. Under load, like VANOS solenoid failure and oil filter gasket leak ( from. Bmw enthusiasts and aim to provide you with everything you need to replace a large number of difficult reach! A twist lock and only need about b58 engine reliability * turn to release the locks and pull.! Im holding in 2nd or 3rd gear and trying to hold a constant speed you have this light surging! And performance issues all 3, i will not purchase a BMW unless is., B58 can make a lot of ( even most? create turbo engines will! Set of performance tires car, but only time will tell mentioned is S38B38 the!, at a constant speed you have to worry about reliability, BMW is building the best mass turbo! It and the engine has gained quite a positive reputation in the early years of turbocharged... Design, found in the b58 engine reliability community and has been on the road people different! All in better times regardless, the engine 7000 in its predecessors 7500... Hesitate to pack those with even more detail great dependable engines, like VANOS failure. For 1400 hp or even 2000 hp, on the S55 is stronger and.... 2998Cc, while the compression ratio increases along with shock mounts front rear. ( apart from when theyve developed actual leaks ) notice any B58 drive-ability issues with M140i!

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