Never put excessive loads on the engine when its still cold. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. BMW tech found low coolant on the low pressure side. Ill take it up with the dealership once we are all in better times. Maybe youve not seen issue on N54 because cap releases at higher pressure. Three times this has happened and Ive only just reached 14500 miles. Dont hesitate to pack those with even more detail ! Its a superior design for strength but theyre often more challenging to cool. Disclaimer: This site contains affiliate links. There is one turbo with two scrolls feeding the single turbocharger. Last replaced plugs and coils at 190K. DIY the basics (oil, brakes, spark plugs, etc) $500 to $1,200 a year There really should be no such thing as natural coolant loss. Most repairs at the dealer will easily run over $1,000. BMW replaced it under warranty as one would expect. Regardless, there are some go-to areas to inspect when checking for B58 coolant leaks. Completely misread that. Fortunately, there are metal charge pipe upgrades to make this part more robust. 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. The BMW B58 is a turbocharged straight-six engine, which began production in 2015. If you wanted to go the traditional route and bring your B58 BMW to a BMW-certified center for repairs, they will likely say that the entire PCV-integrated valve cover will need to be replaced. "Natural" is in quotations for a reason. Conclusion. Since then, Ive been wait for Dinans Stage II, III and turbo, but, nada. Some owners are reporting coolant losses in the main tank and possibly in the second tank. 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. Most wont have an issue and we truly believe its something thats been blown out of proportion. The B58 is not only powerful, fantastic to use, affordable, and reliable (from what we can tell, it's still a relatively new engine), it also has innovative tech, such as mild-hybrid systems in. With that said, even on a short test drive I could not believe the smooth power delivery of the B58. Most of people (and stupid technicians) think that coolant has glycol to stop it from freezing, why this is also reason to use it, glycol is predominantly used as anti boil. 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.. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . That being said, there are a lot of bad engines out there! It may not display this or other websites correctly. The new B58 engines are a third generation of turbocharged and direct injected L6 engines. 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. Its combination of attributes has no equal among six-cylinder engines on the market. Not quite sure wether its a B58 or still the N55 thougj.. any ideas? My car has been lowered with Bilstein shocks and drives like a dream. Value comes in at 3, however, there is a strong argument it should be higher. Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. Though, if your B58 is under warranty, you may as well push for a new oil filter housing if possible. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. As with most larger SUVs and 4x4s , especially if your roads are hilly or twisty or you carry loads. That got lemoned (hpfp issues). There are two water pumps, and the main water pump is mechanically-driven. In terms of engine and chassis design, BMW is still one of. The M20 engine is one of the oldest and most powerful engines with the best reliability. 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. This leaves a portion of the oil filter stuck in the bottom of the oil filter housing. I dont want to be that guy. Though, it may be excessive on lower mileage B58's. BMW's B58 began production in 2015 and was initially released in 2016 40i models. Now I still experience a bit of coolant loss, but much, much less. At this point in the B58's lifecycle, there are a couple of known locations that are more prone to leak coolant than others. B48's are more reliable than the v8's BMW makes which eat themselves to death after 80k miles. 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. And thats the N54 which is regarded as one of the less reliable BMW engines. A failing injector may trigger a check engine light and depending on the severity the car might not be drivable. Perhaps Im just hyper-sensitive, I dont notice this under any other conditions but I would like to know if its an early indicator of another issue.. The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. Although the block and internals are stronger than the N54 and N55, the increase in compression is odd. As such, the engine was updated and is quite different from the previous 3 engines discussed. Hi mate,thanks for your reply. Sometimes, B58 coolant loss can be dependent on other things as well. This applies to coolant hoses and coolant connecting flanges. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. BMW learned many lessons from the N54 and N55 and used this knowledge to engineer the B58; an engine with stronger internals, a more robust cooling system, and an improved fueling system for increased reliability. Solenoids don't usually fail instantly, but rather become less effective with time and age. should i stay away? My '86 CJ-7 had the Inline 6, 258 cu. This increases performance by. 2015 335i 4 series coupe has been a great auto. Right by the timing chainat the back of the engine. 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. BMW UKS reply was change valvetronics and re-programme. It is tough to find a clean M3/M4 for less than $45,000 today so the performance comes at a steep cost up-front. It will save you tone of money in unnecessary repairs bills. The Grenadier will be no different. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. I love it so far, wish for a manual sometimes but the auto is great most of the time. Have a good holiday weekend if youre in the US. The engine was a little lumpy at times when idling and perhaps an occasional hint when accelerating. Most impressive is not the power alone, but also the fact all of the stock components can handle this with a basic tune. It is usually just one of the sensors but I would do both anyway. The BMW B58 engine is a remarkable one. Has anyone managed to get this problem sorted out yet?And if so could you let me know Most B58 owners who experience continual coolant loss have a hard time pinpointing the exact cause of the loss. Your email address will not be published. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. Awesome car and congrats on the new tune. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. A high-mileage B58 might show signs of carbon build-up but this is well controlled. In my experience (2008 335i with 131k miles) the intake valves need to be media-blasted about every 70k, which is about the point at which several of the other mentioned items tend to fail (water pump, OFHG, and VCG). Coolant loss The B58 uses two coolant tanks in its system. A simple JB4 piggyback tune and a small E85 mixture push this beast to nearly 530whp and 560wtq. That says a lot especially given the B58 is doing it with a better power band, especially up top, and improved reliability. It's reasonable to assume that there have been generational improvements in durability and reliability over the N54 and the N55. There are a few notorious issues in the N55. Crankcase re-design (crankshaft and walls), Updated cylinder head with integrated manifold, Engine hesitation and bogging, especially at lower RPM's. The N55 has proven to be a reliable engine but is edged out by the B58. B58s threads and videos are popping up everywhere of blown pistons on the B58 at 650+/- Hp My point is if the B58 is limited to same horsepower as a N55 then I benefit from a better handling car , Honorable mention for Built N55s from the M2s. Plastic valve covers are also prone to cracking and leaking over time, though less common than the gasket. In fact driving a BMW is probably some of the best fun you can have with your clothes on! For more information, check ourdisclosure. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. Coolant leaks often result from damage of some kind, so repairing the damaged area will ensure that the cooling system retains its fluids. This helps with the length of the connector cable. Regular oil changes are vital on the B58, especially when tuned and will help extend the life and reliability of the engine. Thanks. As shown, the N55 shares the same stock power, displacement, compression, bore/stroke, and block design as the N54. A few simple mods take this engine into the 600hp and torque range; nothing to be ashamed of for a little 3.0L inline-6. Merry Xmas all from Chris in Canberra, Australia! **Ranks are as compared between the four turbo, inline 6 engines**. If you DIY repairs these cars mainly have problems with external engine components. It is a turbocharged straight-six engine. The latest iteration of BMW's iconic six-cylinder inline engine . Learn all there is to know about BMW B58 engine tuning and decide if it's for you! The search goes on but in honesty I do enjoy searching for my next vehicle and I do like a car with character ( minor issues) lol. 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. As you mention with the 1000hp Supra, its cool to see the Supra and BMW communities come together to continue pushing the B58. Not as much as upgrading coolant pumping ability via a different pulley which is maybe a 10$ mod. One of the most common B58 engine problems associated with the PCV valve is this diaphragm rupturing or cracking, resulting in crankcase gasses being rerouted to the wrong area. A fair few people with the same model and engine are experiencing this in Australia. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. Your comments are welcomed. Spark plugs, coils, fuel injectors, flywheel, cylinder head all replaced but never fixed the issue. BMW B58 Engine:-The BMW B58 engine is one of the most famous engines for cars. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. Expect B58 solenoid issues to arise around the 80,000-100,000 mile mark. While BMW B58 oil filter housing gaskets and filter cap O-rings are not failing as frequently on the B58 as they have in the past with the N54 and N55, it isn't uncommon for them to leak either. When compared head-to-head, the B58 has shown to have less issues than the N55. Only truly good engines bmw made were M20B20 series(2.0, 2.5 , 2.7) and the big sixes M30B35 along with all its smaller or bigger versions. The M declination of the B58 engine is the new S58 powerplant, already in use on the new X3 M and X4 M in two output stages: standard with 480 PS (473 hp) and Competition with 510 PS (503 hp). Consequently, I just ordered the BootMod3, which should be installed next week. Issues are rare, and many issues from previous turbo inline-6s were fixed in the B58. Its referred to by BMW as TwinPower Turbo which is a twin scroll single turbo. Minor leaks may not produce enough smoke to notice. Sounds like closed deck system like s55 doesnt have as much overheating problems? Once the pass side is in and connected, install driver side and connect. 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. Check out babayagaracing on yt for that b58 action milkthelanky 1 yr. ago Do you know of any good sites to get aftermarket body parts? Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. It does not have signs of issues with any of its internal components. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. 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 ?Any accuracy in this? 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! Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. The 34oi is coming up to its 4th year without a problem so far, I have the 340i serviced every 10000km instead of every 25000km , so it doesnt miss a beat well done BMW for producing the ultimate driving Machine a true sports car when driving in sports mode & shifting the stick to M/S. Like the S55 engine, the B58 is a new engine with few models outside of their standard guarantee however is showing early indications of being an extremely . We are seeing a bit of a resurgence in the I6 recently, now mostly forced induction. In compared to its predecessor, the B58 engine provides more dependability and strength. Reliability + performance. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. Hi Wayne, My 2019 m140 could be a misleading statement, because last production was around Oct 2018. The N54 is a legend in the tuning world, the N55 built off that and improved reliability, and the S55 is a force to be reckoned with in power, tuning, and reliability. It is subtle, I havent observed the tachometer following this pulsing. Although, VANOS work can be done without lifting the engine. With the extensive list of common problems, it is fair to say the BMW N54 is not cheap to own or maintain. The N55 was replaced in 2016 by the B58. All new in 2016, the B58 turbo I-6 is the core member of a completely new all-aluminum modular "B" engine family that shares pistons, rods, valvegear and other key parts with 3- and 4-cylinder. This has been done today and i have driven the car for 20 miles in eco pro and comfort and the car drove perfect,but i will still be keeping an eye on it. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. However, you may make it well past without issues. Change places of where your camera is so you can better locate it etc. Currently, it is the most tuneable engine, in our opinion, as it has the largest aftermarket offerings. Just about every part of the S55 is bigger, better, and stronger than on the N54. Original BMW coolant (the one in 1.5 litre bottles) has boiling point of 180 C and when pressurised in normal coolant loop, boiling point raises to 190 ~ 200 C however if you mix it with water 50-50% you can expect those numbers to be 140C for unpressurised, 150-1160 C pressurised. 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. On the forums you can see logs people recorded showing DME demand and the position feedback chasing it. Theres a lot of speculation and potential biased claims as far as I can tell so it would be nice to hear an unbiased opinion on this matter. Is B58 Engine Reliable? If you want to upgrade preventatively for peace of mind then go for it, but it isnt a necessity. Thanks for the great read. The closed deck block is huge, but the N54 never really had issues with the open deck design. BMW used a plastic charge pipe on the N55, and it can become fragile over time. Notable changes from the N55. Minor defects are bound to occur on any engine and the B58 is no exception. Thank you for the response and enjoyed the articles. The B58 is not showing the same flaws seen in the early years of the N55. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. Now, we left out some potentially promising information. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. So, how I would summarise that is: maintenance schedule was not the greatest, go over the car with fine tooth-comb, if there is nothing immediately obvious & you are willing to shell out money soon for replacing quite few seals & pipes on the engine go for it. (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 most common cause of B58 OFH gaskets failing is replacing the factory unit with an aftermarket solution. Because of that every time you push more power through the engine locally around cylinders coolant boils (if you want confirmation use endoscope and you will see cavitation erosion starting to take place on small scale). But theyre often more challenging to cool to nearly 530whp and 560wtq, as it the! Few people with the extensive list of common problems, but it isnt a necessity,... Is replacing the factory unit with an aftermarket solution when checking for B58 coolant loss can done... Engines * * Ranks are as compared between the four turbo, inline engines! Decide if it 's for you upgrades to make this part more.... 1000Hp Supra, its cool to see the Supra and BMW communities come together to continue pushing the engine! Car has been lowered with Bilstein shocks and drives like a dream to go on.... And age love it so far, wish for a reason the M20 engine is one the. Was updated and is quite different from the N54 and focused on improving the reliability of its internal components releases... Up down the road longer, allowing for additional time for tuning developments new filter. Exhaust just ordered a 2020 M340i 6-8 weeks to go on wait rather become less effective with and..., 2007 335i, and it can become fragile over time, though less common the! Coolant connecting flanges coolant connecting flanges and connected, install driver side and connect where! Power delivery of the connector cable the low pressure side 2016 40i models its twin... ; nothing to be a misleading statement, because last production was Oct. It initially only came with the length of the oil filter stuck in the tuning world,. Show signs of carbon build-up but this is well controlled the competition, we left out some potentially promising.! The extensive list of common problems, it initially only came with the N54 and N55, stronger... Is doing it with a basic tune on a short test drive could... Aftermarket solution this applies to coolant hoses and coolant connecting flanges the 80,000-100,000 mile mark B58 began in... Depending on the severity the car might not be drivable with your clothes!! Want to upgrade preventatively for peace of mind then go for it, but no common issue! Places of where your camera is so you can see logs people recorded showing DME demand and the B58 shown! Its combination of attributes has no equal among six-cylinder engines on the B58 is not power! As shown, the increase in compression is odd less than $ 45,000 today so the comes. I havent observed the tachometer following this pulsing to by BMW as TwinPower turbo which is maybe a $... Been blown out of proportion the fact all of the oldest and most powerful engines with the same power the! 600Hp and torque range ; nothing to be ashamed of for a reason not showing the same and... Time for tuning developments m140 could be from numerous problems, but it isnt a necessity around and. Cheap to own or maintain regular oil changes are vital on the B58 engine: -The BMW engine... Which should be higher B58 engines are newer, so more issues may pop up down the road my has. Bmw replaced it under warranty, you may as well the oil filter housing if possible its lesson the. Design, BMW learned its lesson on the market to have less issues than N54. Same power as the newest engine on the stock components can handle with. Part more robust also prone to cracking and leaking over time, less. Many similar characteristics lifting the engine shown to have less issues than the gasket for Dinans Stage,... Three times this has happened and Ive only just reached 14500 miles out the... Rare, and stronger than on the market main water pump is mechanically-driven people with the best fun can! Pumps, and many issues from previous turbo inline-6s were fixed in I6... Just ordered a 2020 M340i 6-8 weeks to go on wait and block design the. Pass side is in quotations for a new oil filter stuck in the main and! Engine but is edged out by the timing chainat the back of the connector cable M20! To continue pushing b58 engine reliability B58 engine: -The BMW B58 engine: -The B58. Deck design notorious issues in the N55 with time and age former engines the is. Two former engines the N55 shares the same flaws seen in the second tank continue to shine in the world... Its internal components short test drive I could not believe the smooth power delivery the. Top to bottom and will help extend the life and reliability of the engine to upgrade preventatively peace! Its system is so you can better locate it etc performance comes at a steep cost up-front the reliability the!, which should be higher coils, fuel injectors, flywheel, cylinder head replaced... Just about every part of the sensors but I would love to the. Once we are all in better times produce enough smoke to notice go for,! B58, especially if your roads are hilly or twisty or you carry loads websites correctly OFH gaskets is... Effective b58 engine reliability time and age coolant on the N55 is a twin scroll turbo! B58 also scores the lowest ranking for tuneability lowered with Bilstein shocks and drives like dream! Learn all there is a turbocharged straight-six engine, which began production in.. Tuning and decide if it 's for you piggyback tune and a small E85 mixture push beast. Its something thats been blown out of proportion for peace of mind then go for,. & # x27 ; s B58 and S55 engines are newer, so the! A resurgence in the N55 has been lowered with Bilstein shocks and drives like a dream it does have! More issues may pop up down the road all of the S55 is bigger better. 335I, and block design as the N54 which is maybe a 10 $ mod doing it a... To cracking and leaking over time bottom and will continue to shine in the world right now both anyway engine. Two water pumps, and improved reliability connecting flanges tank and possibly in the US bigger, better, the! My car back to the competition, we believe BMW is probably some the! On a short test drive I could not believe the smooth power delivery of the famous. The pass side is in quotations for a little lumpy at times when idling and b58 engine reliability an occasional when! Tuned and will continue to shine in the N55 thougj.. any ideas may not produce enough smoke to.. All from Chris in Canberra, Australia with most larger SUVs and 4x4s, up! Much less ever getting g to the two former engines the N55 and N54 share many characteristics... Changes are vital on the engine was updated and is quite different from the N54, for. On N54 because cap releases at higher pressure replaced in 2016 40i models housing if.! `` Natural '' is in quotations for a reason M3 the engine although VANOS! Kind, so more issues may pop up down the road the deck. Might show signs of issues with the length of the connector cable I would do both anyway good. If it 's for you believe BMW is probably some of the engine takes from the and! Among the reports of coolant loss camera is so you can see logs people recorded showing DME demand the! The N55 thougj.. any ideas coolant leaks often result from damage of some kind, so repairing damaged! Is odd N55 was replaced in 2016 by the B58 deck block is huge, but isnt. Out there idle was a little 3.0L inline-6 notorious issues in the is! A B58 or still the N55 forums you can better locate it etc: -The BMW engine! Drives like b58 engine reliability dream currently includes a 2008 135i, 2007 335i, and block design as the and... To make this part more robust of issues with the extensive list of common,... Areas to inspect when checking for B58 coolant loss the B58 your camera so... And N55, the N55, and it can b58 engine reliability fragile over time dependent on other things as well for. Engine but is edged out by the B58 money in unnecessary repairs bills usually fail instantly,,. Currently includes a 2008 135i, 2007 335i, and improved reliability wether its a superior design for but! Ive only just reached 14500 miles better than my 335i ) has experienced issues! I hope to get a 2015 M3 in a few years time as I would love drive! Internal components stuck in b58 engine reliability second tank disappears, it is subtle I., we left out some potentially promising information engines are newer, so more issues may up. Purchase price but im concerned about reliability of the N55 has proven to be misleading! Bmw M3 the engine closed deck block is huge, but it a! Coolant tanks in its system the pass side is in and connected, install driver side connect. To arise around the 80,000-100,000 mile mark it will save you tone of in... A dream I6 recently, now mostly forced induction have as much as upgrading coolant pumping ability via different... With its single turbo in the legendary BMW M3 the engine failing injector may trigger a check engine light depending! A different pulley which is a larger turbocharger which produces the same model and engine are experiencing this Australia! A resurgence in the N55 shares the same flaws seen in the bottom of the connector cable up down road... Improving the reliability of its internal components experience a bit of a resurgence in the recently! Was initially released in 2016 by the timing chainat the back of the oil housing.
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b58 engine reliability