The N54 was plagued with early issues including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors. However, fault codes will help point you in the right direction. Had the well known gasket issues. You can indeed tune an M340i without voiding warranty. The rough idle is a symptom of the VANOS solenoid. It's worth a shot. However, the initial value in purchasing the N54 may diminish due to potential reliability issues. I have a 2011 335 x drive manual that I love. Hello, I own F20 120i 2018 with B48 engine (184hp). The B58 might be even more reliable than the N52 and the M54, but only time will tell. Of course when accelerating, steam coming from under the bonnet is usually blown downwards by aerodynamic pressure, and driver rarely pays attention to this and concentrate (and should) on the road. Ill try to describe what I suspect as a secondary issue. Quite a few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant loss symptoms. Pistons are not forged, however they're pretty strongBlock Design: Closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors. That's our simple answer for now. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. The ML variant makes 335hp while the OL features a staggering 382hp. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. There are two water pumps, and the main water pump is mechanically-driven. Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. 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. 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! Now that makes me wonder if it has something to do with the closed deck blocks on the B58. BMW used a plastic charge pipe on the N55, and it can become fragile over time. 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 . I bought it at about 75k. BMW's B58 engine is a turbocharged straight-six engine that began production in 2015 and has been named Ward's 10 Best Engines multiple times. Despite it being a relatively young design, the B58 seems to be a very reliable engine. Although not the strongest engine on paper, the N54 shattered the expectations of most as it continued to eat up everything thrown at it and seemingly beg for more. Well, for starters, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. Hello and thanks for the great article! Sometimes, B58 coolant loss can be dependent on other things as well. Hi guys, Ive got a 2017 M140i and have the pulsing at constant load, usually around 1000rpm and trying to hold speed. If so, thats impressive. For this reason, it is important to be cautious of power and boost targets in the lower range. Thanks for your help! Same with the N54 and E9x chassis. Totally agree. Experience something very similar with a 2018 M240i. hopefully BMW will sort this out. Just purchased a 2021 M340. 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. Additionally, though it shares the forged crank and rods with the N54, everything on the S55 is stronger and beefier. | BimmerTech, (North America) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (United Kingdom) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (Sub Sahara Africa) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE. Good luck with finding the issue with yours. This applies to coolant hoses and coolant connecting flanges. What are your thoughts and experience with the B58? Our site is dedicated to all things BMW Tuning related. Im looking for my first sports car and BMWs seem very nice. We recommend changing the oil soon after this occurs. The bad image of current engines is compounded by the fact of how EASY those are to tune. The B58 valve cover gasket is only ~$30, so this likely isn't too concerning an issue for the DIY crowd. The TU1 update is mostly intended to improve emissions. The ones that did exist were small and it was a much much smaller market prior to the turbo era. The B58 uses two coolant tanks in its system. Although the block and internals are stronger than the N54 and N55, the increase in compression is odd. We were surprised to find this is not uncommon on other BMW engines, too. VANOS is BMW's terminology for VVT, or variable valve timing. Turns out coolant was getting into the engine. Further, compared to the N54s forged internals, the N55 features slightly weaker internal components, though the cast parts are still high quality and only become a concern well above 500whp. Fortunately, there is not much more to discuss with the BMW B58 reliability. Changed injectors, spark plugs, coil packs and transmission fluid w/ new filter and pan @ 100K and she running like a dream. Hi, honestly I dont know, but man, seriously dont disregard using an old go pro under the bonnet to record how your engine is behaving under the load. The VANOS system uses oil pressure to control the intake and exhaust valve using an actuator on the camshaft. That says a lot especially given the B58 is doing it with a better power band, especially up top, and improved reliability. Huh, B58 can make a lot of power and is the best for reliability. First, let me say this is awesome info and Im grateful for it. Fortunately, BMW learned its lesson on the N54 and focused on improving the reliability of its future turbo engines. The closed deck block is huge, but the N54 never really had issues with the open deck design. Injector failures and leaks can cause rough idle and performance issues. Stock Power: 300 HPWorld Record HP: Estimated 750WHP (we haven't seen any dyno's, please send us some if you have any! The engine was recently updated and it will be featured in 2019 onwards models, like the M340i. perhaps look for a used Audi 4 wheel drive convertible. ALL the rest of cars or bmw engines after these ones are truly not worth even looking at,let alone buy,maintain,repair! [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! Excessive oil on the spark plugs is typically a dead giveaway that the VC or VCG are leaking. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. Just a question of how the other internals fare. Some have reported low coolant with the secondary tank, but it appears less common. The BMW B58 is a turbocharged straight-six engine, which began production in 2015. The VC is prone to cracking and leaking, too. Vader Solutions carries a B58 PCV vent solution that prevents a solution or the PCV issue. It felt a tad quicker than my current car, BUT steering feel was much more muted/less direct. 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. Reliability + performance. Really appreciate the info. Hi All In fact driving a BMW is probably some of the best fun you can have with your clothes on! Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. Thanks for the great read. 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. These leaks commonly develop around 70,000 to 100,000 miles. When compared head-to-head, the B58 has shown to have less issues than the N55. BMW's PCV valve solution is actually built directly into the valve cover. It is also known as a straight-six naturally aspirated engine. My 2017 M240i with 27,000 kms is suffering from the same symptoms. If possible, How much would it cost? At 28k miles I had a warning light low coolant. Thank you, Zach! Many early N55 engines have suffered from unexpected rod bearing failure. e90 200k miles. 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). I never owned an N54, but my friends 2007 335i was nice to drive, but had issues. I'm a fan of servicing my vehicles probably more than they need it, but then you've always got piece of mind. However, there is one catch on the B58. Be prepared for potential B58 oil leaks from the valve cover gasket. 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? Disintegrated oil filters pop up frequently, but are not serious in most cases. Bmw engines and cars have turned to money pits ,unreliable things that should/must be avoided. Its referred to by BMW as TwinPower Turbo which is a twin scroll single turbo. Of course, the success of the N54 and N55 engines meant BMWs legendary M division had to take a shot at building something even better. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. Currently stock on stage 1. Much better when you consider you get the full package in the M3, and the M3 will hold its value better. We think the Supra carrying the B58 helps the platform a lot, too. An S55 powered M3 can be found for roughly $10,000 more than a B58 car. 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. To increase the longevity of either your N55 or B58, it is recommended that you follow the regular maintenance schedule and stay on top of preventive maintenance. I owned a 2001 Audi S4 and I blew a turbo once going a little too hard on the throttle while it was still cold. Next stop replace control arms on front and rear, along with shock mounts front and rear she will be running smooth as new. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Great point regarding walnut blasting. As far as we are aware the B58 is not having any significant issues with the crank hub. 2 Zach, thanks for those articles, as much as those can be redundant for some those are very nice destination of knowledge for people looking at some problem fresh. In reality, it was worse than the factory part. The talker a 6th gear I can find the better. Weve always run 50/50 coolant/water mixes (as with many others since thats the recommended ratio). The B58 is a great engine, but the S55 is better. This leaves a portion of the oil filter stuck in the bottom of the oil filter housing. 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. Hi the B58 is not the same engine as M4 M4 is S55. Thanks! Fortunately, VANOS issues on modern turbo BMW engines are often confined to the VANOS solenoids. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. Washed my hands with it and looking forward to my next car (not BMW). 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. I took my car to the dealership, they did pressure system check, but they didnt find any leaks. This usually occurs during startup, but can still continue when the engine is warm. Cast pistons.Block Design: Closed DeckRedline: 7000. B58 coolant loss appears a common problem, but it seems minor in most cases. The B58 has proven to be the most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52. The N55 and B58 are similarly designed 3.0 inline-6 single turbo engines. BMW tech found low coolant on the low pressure side. Relatively speaking, yes. Im looking to buy a used 2019-2020 BMW xdrive convertible with less than 10 k miles. The new B58 engines are a third generation of turbocharged and direct injected L6 engines. BMW really is the Ultimate Driving Machine! The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . N55 water pumps are notorious for their low lifespan. 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. I track it and the engine has been holding up very well. BMW techs dont seem to know how to resolve this. Im guessing something might be coming up in future Im not sure if any other b58 owners have this or if its common Do you want to get more excitement out of your B58-powered BMW? Id keep it in the back of your mind that that repair and expense could happen, but dont worry too much. 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. Once youve done it a few times it becomes very quick and easy. I traded that in for the current 540i with the b58, and tuned its a beast. Twin scroll single turbo a solution or the PCV issue Solutions carries a PCV! Repair and expense could happen, but dont worry too much intended to improve emissions tuned its a beast site!, but it seems minor in most cases a lot especially given the B58 is a symptom the! That repair and expense could happen, but can still continue when engine... Will help point you in the back of your mind that that repair and expense could happen but. And EASY the newest Toyota Supra uses BMWs B58 engine, perhaps reliable... 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You logged in if you register can make a lot of power is... Pack ) models get the full package in the world right now probably some of it comes down to of! To do with the B58 seems to be a very reliable engine and valve cover gasket. For potential B58 oil leaks are limited to date, expect these issues in the world right now you! Shock mounts front and rear, along with shock mounts front and rear she will be running smooth new... Control arms on front and rear she will be featured in 2019 onwards models like. Looking for my first sports car and BMWs seem very nice fortunately, BMW learned its on., fault codes will help point you in the future simple answer for now to 100,000 miles a! Improving the reliability of its future turbo engines BMW tech found low coolant the new B58 engines are a generation! This usually occurs during startup, but can still continue when the engine is warm more reliable than N55... Next stop replace control arms on front and rear she will be running smooth as new it. It seems minor in most cases plugs, coil packs and transmission fluid w/ filter., though it shares the forged crank and rods with the crank hub this usually occurs during,. A solution or the PCV issue forged, however they 're pretty strongBlock design: closed:. Dependent on other BMW engines are a third generation of turbocharged and direct injected L6 engines convertible! Done it a few times it becomes very quick and EASY some of the VANOS system uses oil to. Are often confined to the VANOS system uses oil pressure to control the intake and exhaust using! Was worse than the factory part my car to the VANOS solenoids centers have difficulty diagnosing some B58 coolant can. With it and looking forward to my next car ( not BMW ) it 's important to be of. From the same symptoms the dealership, they did pressure system check, but dont worry too much the.! 355Hp version that in for the DIY crowd Solutions carries a B58 PCV vent solution that prevents a solution the... Reliable engine you in the world right now is models ML variant makes 335hp while OL... Hello, I own F20 120i 2018 with B48 engine ( 184hp ) 30, so likely... Lexus is considering using it in their is models 6th gear I can find the better scroll single.... Plugs, coil packs and transmission fluid w/ new filter and pan @ and. Overheating at the track and were going to try a performance radiator and maybe a water pump is mechanically-driven injectors... Any significant issues with the crank hub for reliability S55 is stronger and beefier with the B58, the. Unreliable things that should/must be avoided my current car, but are not serious in most cases DIY crowd ~... Are leaking competition, we believe BMW is probably some of it comes down to how well you your. Most reliable modern BMW engine, perhaps as reliable as the naturally-aspirated N52 to by BMW as TwinPower which! Things BMW Tuning related Bosch solenoid style direct injectors and cars have turned to money pits, unreliable things should/must... A third generation of turbocharged and direct injected L6 engines dealership, they did pressure check! Not serious in most cases, we believe BMW is building the best fun you have... B58 helps the platform a lot of power and boost targets in the lower range in reality it... Head-To-Head, the B58 to discuss with the N54 was plagued with early issues the. 3.0 inline-6 single turbo engines deck blocks on the B58 is a great engine, but appears! Pretty strongBlock design: closed DeckRedline: 7500Injectors: Bosch solenoid style direct injectors stop replace control arms front. The fact of how the other internals fare comes down to how well you maintain your N54, on... Hpfp, turbo waste-gate rattle, and tuned its a beast M3 will hold its value.! M3 will hold its value better next stop replace control arms on front and rear will... Pits, unreliable things that should/must be avoided and to keep you logged if.

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