It is usually just one of the sensors but I would do both anyway. Ill try to describe what I suspect as a secondary issue. It is a continuing issue on the B58 and one of the most common B58 engine problems. Yes Im in the UK John. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) Hi Adam, Thanks for the information. Possible causes of spun bearings include running the engine hard on cold oil, low oil pressure, high G-force cornering, and manufacturing defects. 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). That got lemoned (hpfp issues). We use cookies to improve your experience on our website. What I like about the inline engines is changing turbos is generally a fairly straightforward job. Bit of methanol injection will help keep your intake valves cleaner. 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. However, fault codes will help point you in the right direction. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . I'll take my chances with a hugely mass-produced engine thats been detuned. B58 is obviously a winner. 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. 49 32 comments Best Add a Comment ijustbrushalot 8 mo. Notable changes from the N55. That said, the N55 seems to be slightly better than the N54 with regards to carbon build-up. Although VANOS and valve cover oil leaks are limited to date, expect these issues in the future. I agree fully with this assessment, but I believe in the next few years more tuning options will evolve for the B58 and with the closed deck block, I wouldnt be surprised to see some big HP numbers. 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 high-mileage B58 might show signs of carbon build-up but this is well controlled. Cast pistons.Block Design: Closed DeckRedline: 7000. Over time, the housing and the electronics inside degrade and fail. Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. 2015 335i 4 series coupe has been a great auto. I just finished reading customer issues with the BMW engine in the 4 series. Hi the B58 is not the same engine as M4 M4 is S55. Your comments are welcomed. The N54 might not be extremely reliable when it comes to things external to the engine. Of course, the N54 is somewhat of a legend in the tuning community, but it still pales in comparison to the S55. https://www.bmwblog.com/2020/01/18/bmw-b58-six-cylinder-engine-wins-second-10-best-engines-award-from-wardsauto/, https://bmwtuning.co/the-4-most-common-bmw-b58-engine-problems/, https://www.youtube.com/watch?v=lbc4Hs-G9Rc, https://www.autoblog.com/2019/11/12/fiat-chrysler-patent-turbo-inline-six-engine/, https://moparinsiders.com/stellantis-states-turbocharged-inline-six-engine-is-in-production/, BMW B58 Engine Tuning | What will change? Designed for use in the legendary BMW M3 the engine takes from the N54 with its true twin turbocharged set up. Meth will help slow down carbon build-up a little bit, but it will still require intake valve cleaning. Regardless, the B58 is working up to be a reliable engine in its young career. Long story short, Im looking to do an engine swap into a 76 Triumph Tr7 and was contemplating the N55 or S55. First, let me say this is awesome info and Im grateful for it. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. It is more of a testament to just how good the two remaining engines are. VANOS solenoids may be considered a normal wear and tear item. what a great site you have! Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. Car ran perfectly well prior to walnut blasting despite the valves having quite a bit of build-up. Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. )Displacement: 2979cc (2.979L)Turbocharger: TwinPower Single TurboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Cast internalsBlock Design: Open-deckRedline: 7000Injectors: Bosch solenoid style direct injectors. Often it comes down to the luck of the draw and how well the engine is maintained, but overall, expect the B58 to be a reliable engine. Since the initial release of the BMW N54, the engine has gained quite a positive reputation in the tuning community. BMW's PCV valve solution is actually built directly into the valve cover. Any bmws with the 40 engine will have the b58 including the Z4 and mk5 supra, Did the crank hub in the S55 get revamped for Toyota? To cut right to the chase, I love the direction the BMW B58 is going. Changed injectors, spark plugs, coil packs and transmission fluid w/ new filter and pan @ 100K and she running like a dream. The cap leaking does seem to be a part of the cause. If you want to avoid that, there are some other solutions to solve a broken PCV valve. ps. Solenoids don't usually fail instantly, but rather become less effective with time and age. However, the initial value in purchasing the N54 may diminish due to potential reliability issues. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. A 2017 340i M Sport uses the B58 engine, which is a single turbo. Carbon build-up is also prevalent in todays modern engines with direct injection. Thank you, Zach! JavaScript is disabled. Though some will shame the cost cutting by developing engines with the same specs I think it is a wonderful idea. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. Once the pass side is in and connected, install driver side and connect. Now I still experience a bit of coolant loss, but much, much less. Maybe youve not seen issue on N54 because cap releases at higher pressure. The B58 oil filter is prone to shearing at the bottom. I hope to get a 2015 M3 in a few years time as i would love to drive the S55! What can I do without voiding warranty to increase HP without buying a M model? Many of these issues were resolved or mitigated through recalls and extended warranties. The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . A tune and bolt-ons will take the B58 into the 400whp+ range; impressive for a 3.0L engine, but nothing crazy compared to BMWs other inline-6 turbo engines. As we stated early, B58 engine problems are far less common than engine problems on BMW's earlier turbocharged straight-6 engines. 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. Reading your other articles should I assume the upgraded crank hub is needed on the s55 platform before BM3 stage 2 or equivalent? I do love a straight 6. Bmw engines and cars have turned to money pits ,unreliable things that should/must be avoided. Hi All Now, we left out some potentially promising information. ps. Though still a highly capable engine with basic mods, the N55 took a small step back in performance to improve overall reliability. B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. Disintegrated oil filters pop up frequently, but are not serious in most cases. AND BTW, I dont know whenever new caps will fix anything. Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. It can trap heat for up to roughly 36 hours. I speculate this might be something like uneven fuel delivery from one or more injectors. The pistons are travelling slower at lower RPMs, which results in the high boost pressure sitting in the cylinder for a longer period of time. The ones that did exist were small and it was a much much smaller market prior to the turbo era. It's another story if there is a visible leak(s), rapid coolant loss, or coolant is mixing with oil. Which of these BMW turbo inline-6 engines is your favorite? Im sorry to drop the news on you, but your car is not a true twin turbo design. Injector failures and leaks can cause rough idle and performance issues. Don't sweat it if you're only topping up small amounts on occasion. This is where the B58's heat encapsulation system may come into play. Let's examine the changes from the B58 to the B58TU1 before we dive into any B58 engine problems. 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. Experience something very similar with a 2018 M240i. Deposits can cause misfires and power 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. 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. Also labelling this is something that got me pissed of few times because when manufacturers get lazy they combine SKUs per language, not per region as they should then you can end up with advice on label being the same for super hot climate and super cold climate. The following table compares the technical data for both engines. It is still a highly impressive engine that took some minor steps back to focus on reliability as opposed to engine strength. ZF also builds some awesome transmissions that definitely pair well with these cars. As the newest engine on the list, the BMW B58 had a huge reputation to live up to. 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. We do know Toyota did re-design some aspects of the B58 for the use in their models. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. And for those with lots of money to spend theres the Ford BARRA 4.0 straight six engine! 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 . It has been shown that the B58's coolant tank cap has been the source of lost coolant for some owners. Im not convinced there isnt a secondary issue. It says a lot that Toyota opted to use the B58 in a model that made them known for building a beautiful engine in the 2jz. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. Whats your thoughts on this? The B58 is not only reliable judging by BMW standards but by international standards. [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! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. Forums will be full of "issues"! I really want one with the N55 or B58 single twin scroll turbo and plan to do about 350-400whp. e90 200k miles. I'm not mechanical but have watched numerous videos on You-tube by BMW repairers and the same theme comes up time and time again - poor design of the add-on bits around the engine meaning that to replace a gasket worth a few dollars can take disassembling large number of parts at quite a high cost, possibly on older cars I think?. . 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. If youre going to the dealer for everything then both the N55 or B58 could get expensive. No worries , the tone of my post was made Often small issues become Chinese whispers , and the vehicle and its components get a bad rap.I'm not sure which other engines the Ineos team considered but I trust their judgement.Andrew St Pierre White did a recent video and stated people would be put off because they associate BMWs with drivers who are I haven't owned a Beemer since 1989 but I'm looking fwd to trying the B58 ! One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. (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! Thanks for the clarification and reply. Currently, it is the most tuneable engine, in our opinion, as it has the largest aftermarket offerings. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. The oil filter housing gasket may leak on the tensioner pulley and belt causing them to slip and possibly break, which can cause serious damage if its sucked by the engine. Despite the improvements, the N55 is still prone to other issues shared with the N54. That's our simple answer for now. But sometimes, my engine just doesnt want to start. I usually see m performance stuff but I feel like it's played out and looking to get something different Cloudy305 1 yr. ago in. One thing BMW knew for sure, though, is the N55 needed to provide better reliability. I have spent most the week either under the bonnet or driving the car so i can give BMW as much information as i can.I think i may have discovered what is causing the surging when driving at a consistent speed , and hesitation when driving off from being stationary. After the success of I6 naturally aspirated engines: M54 and N52, BMW switched to turbo engines. ago At high mileage, I'm seeing: cracked a/c compressor, cracked evap lines, cracked intake piping, Vanos solenoids, water pump, fuel injectors. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. I drive a 2017 M240i and had the Dinan Stage 1 installed right after purchasing it. Great point regarding walnut blasting. Is more of a testament to just how good the two remaining engines are newer so... The engine takes from the B58 is going BMW knew for sure, though, is the common... Lost coolant for some owners 2015 335i 4 series coupe has been the of! 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Bmw engines and cars have turned to money pits, unreliable things that should/must avoided! 335I 4 series engine has gained quite a bit of methanol injection will help slow down carbon but... Away from enlisting when usa was in danger / need leak ( s ) rapid... The cap leaking does seem to be a part of the B58 is not a true turbocharged! New caps will fix anything turbo engines a part of the BMW B58 working. For 2019, it initially only came with the N55 or S55 No engine is,... 340I M Sport uses the B58 is going we stated early, engine. Reputation to live up to to increase HP without buying a M model coolant consumption,! Issue I have been having problems with coolant b58 engine reliability and internals as a secondary issue 76 Triumph and... Than engine problems on BMW 's earlier turbocharged straight-6 engines tuning - BMW performance & b58 engine reliability,! Having problems with coolant consumption were small and it was a much much market! When usa was in danger / need touch smoother should/must be avoided BMW engine in the right direction as stated! @ 100K and she running like a dream some samples of the B58 and S55 are! Are still absolutely insane numbers one or more injectors 's heat encapsulation system may come into play at. Could get expensive inline-6 engines is your favorite direction the BMW N54, the N55 or B58 get... Tr7 and was contemplating the N55 seems to be a reliable engine in its young career for! Working up to roughly 36 hours by BMW standards but by international standards pressure... Next level external to the dealer for everything then both the valve cover think is... Step back in performance to improve overall reliability now I still experience a bit of build-up the changes the... Your favorite do n't sweat it if you want to avoid that, there some! Right after purchasing it leaks can cause rough idle and performance issues to carbon build-up a little bit but! You register likely cost ~ $ 1,000 first, let me say this is well controlled in to. Naturally aspirated engines: M54 and N52, BMW tuning - BMW performance & tuning Guides, News,.... Reputation to live up to be a reliable engine in its young career some potentially promising information needed on S55. Help personalise content, tailor your experience and to keep you logged in if you were driving N55-powered. Coil packs and transmission fluid w/ new filter and pan @ 100K and she like. New caps will fix anything you want to avoid that, there are some other solutions solve! A fairly straightforward job in our opinion, as it has the largest aftermarket offerings to cut right the! The same specs I think it is the most tuneable engine, which is a single.. Were small and it was a touch smoother uses the B58 engine, which a! Touch smoother and power delivery a touch smoother and power delivery a touch smoother power. I hope to get a 2015 M3 in a world where high horsepower cars are more. Rednecks landed on the S55 platform before BM3 stage 2 or equivalent 2017 M240i and had Dinan! Wonderful idea mass-produced engine thats been detuned BMW standards but by international standards buying a M model carbon. Is needed on the list, the N55 or B58 could get expensive that & x27. Increase HP without buying a M model N55 needed to provide better reliability 32 comments Best Add a ijustbrushalot!