Its referred to by BMW as TwinPower Turbo which is a twin scroll single turbo. Required fields are marked*. As with most larger SUVs and 4x4s , especially if your roads are hilly or twisty or you carry loads. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. It is also known as a straight-six naturally aspirated engine. Take this in for a moment - assuming a 12% drivetrain loss those numbers represent 602hp and 636 torque. Stock Power: 300 HPWorld Record HP: Estimated 750WHP (we haven't seen any dyno's, please send us some if you have any! After numerous visits to my local bmw dealer, it got a new engine. I had the 4.2 I6 in both my 1975 Landcruiser (FJ40) and my 1978 Jeep CJ-7. If I give it rest by going slowly, little by little the noise disappears, it takes about 30 seconds to completely disappear. I have had all 3, I had a 535i e60, with the n54. That got lemoned (hpfp issues). Your comments are welcomed. That said, the N55 seems to be slightly better than the N54 with regards to carbon build-up. Thank you for the response and enjoyed the articles. After replacing it he enjoys the car again and issue is rectified. It's always the minority of people with issues that shout the loudest. Hi the B58 is not the same engine as M4 M4 is S55. However, the cap is designed to vent pressure should the cooling system become over-pressurized. Anyway, if you dont have physical leaks on loop & are heavy right footed & have more than 75 bhp / litre of displacement = run pure, dont mix with water. B58 is reliable, bulletproof and can handle hella boost on stock block. BMW UKS reply was change valvetronics and re-programme. now have 2015 435i with performance kit installed + performance exhaust just ordered a 2020 M340i 6-8 weeks to go on wait. In addition to its smooth power delivery, massive untapped power potential, and internal strength, the B58 is also one of the most reliable engines that the Bavarian marque has ever produced. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. BMW has had its share of reliability issues over the years, but it's safe to say that their engines are, in general, pretty robust. Solenoids are relatively inexpensive and easy to replace. That's our simple answer for now. B58 coolant pumps have been known to fail prematurely and cause significant coolant leaks as a result. Coolant leaks often result from damage of some kind, so repairing the damaged area will ensure that the cooling system retains its fluids. That being said, there are a lot of bad engines out there! Whether or not Toyota identified the crank-hub as a potential weakness and re-designed it would just be a guess. 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. The new B58 engine uses a water-to-air intercooler integrated into the intake plenum, thus reducing the charged air volume between the compressor and the intake. Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. Our 440i is about 5 months old and has a little over 6000 Km. 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. Be on the look-out for more of these issues to pop up in the coming years. 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. 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 B58 is a great engine, but the S55 is better. There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. However, it's worth monitoring as the B58 ages. 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 . VANOS is BMW's terminology for VVT, or variable valve timing. In fact, it may not have an equal among all engines on the. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. However, fault codes will help point you in the right direction. Tuneability ranks number 2, mostly because it is a newer engine with few off warranty. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. For a better experience, please enable JavaScript in your browser before proceeding. B58 is obviously a winner. A closed-deck block is a significant upgrade from the open-deck designs on the N54 and N55. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. Why? Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. The B58 uses two solenoids. Ive had issues with my 2018 440i not idling correctly. [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! 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. The ones that did exist were small and it was a much much smaller market prior to the turbo era. Many of these issues were resolved or mitigated through recalls and extended warranties. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. 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. Hello and thanks for the great article! 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! We've seen some VANOS problems with the B58 engine. We did not include that as we do not consider carbon build-up an issue. And I do own a 1990 bmw E34 520i with the M20B20 engine ,wich is very close to 300000 kms with no problems. There have been a few cases of issues with the crank hub, however it was blown out of proportion due to a company coming up with a product that was claimed to solve the issue. My car has been lowered with Bilstein shocks and drives like a dream. Notable changes from the N55. I dont know what is the spec on the cap and what is the cap spring ageing characteristics it wont hurt, but changing emergency valve opening point MAY cause something else in the pressurised system fail to release the excess pressure SO: brand new cap YES, adjusting staff on the cap NO (unless you are professional and actually redesigned and rebuild whole cooling system to handle higher pressures) best way is just to limit limit potential for pressure raise, by increasing boiling point of coolant. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. Some just keep looking at the past with rose tinted glasses. I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. However, a couple quick notes that are imperative to keep in mind: Flush out and refill coolant every 5 years. 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?. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. perhaps look for a used Audi 4 wheel drive convertible. 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. BMW's B58 engine also provides a great balance of fuel economy and reliability. The car seems to have lost some pep. Space is very limited but its doable. I eventually sold my car back to the dealership without me ever getting g to the bottom of the issue. The B58 is a marginally larger engine displacing 2,998cc compared to the N55's 2,979cc and weighs 18 lbs more, but while making notably more power. If youre having any warranty work done youll probably want to remove the JB4 tune to error on the side of caution. You must log in or register to reply here. This engine was manufactured by BMW in 2015 and was still in use. e90 200k miles. Fortunately, this does not seem to be the case apart from the random, flukey issues. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. Soooo if you have some noise under load best record it from engine bay. Automotive Performance, Tuning, & Modification. From day one of delivery, I have often smelled coolant. That was an expensive and painful lesson to learn, as that car required pulling the motor to change the turbos. Some have reported low coolant with the secondary tank, but it appears less common. The other option would be the JB4 piggyback tune, which we believe is a great all around tuning option. Many issues with their turbo engines. This is a really concerning trend because throughout the world there is more balance on modding the car, people concentrate on suspension, braking, batter traction controls, better tires, but there is one very localised trend prioritising upgrading a blower and still having your car on budget tires. If you DIY repairs these cars mainly have problems with external engine components. AND BTW, I dont know whenever new caps will fix anything. Before some people will get but hurt and start flame war I dont hate on rednecks. The BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW models in 2016. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. Thanks. Hi mate. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. Ive always read about how BMW underrates their engines, but are there really estimates the B58 is making close to 320 at the wheels?! 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 ! Stock power comes in significantly underrated at 424hp, while independent testing shows similar numbers to the wheels. (cold start is just supposed to head up the catalytic filter in the downpipe, so thats why its commonly removed after catless downpipe installation.)e. However, there is one catch on the B58. Original engine,30 years old,same clutch,same gearbox 5+1, same differential 4,44 ratio,. Sounds like closed deck system like s55 doesnt have as much overheating problems? Car ran perfectly well prior to walnut blasting despite the valves having quite a bit of build-up. The VC is prone to cracking and leaking, too. Proceed with the oil change as normal. Thank you for your comment. BMW Reliability Most Reliable BMW Engines. In the years to come, the B58 will be an excellent performance value, but it is too far from it right now. Id keep it in the back of your mind that that repair and expense could happen, but dont worry too much. Dinan offers stuff thats covered under warranty. Following the walnut blast, idle was a touch smoother and power delivery a touch smoother. This engine shows massive potential not only on paper, but also in real world results. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. Note that this doesnt mean that your N55 BMW will eventually suffer from all these issues, but they can potentially become a problem the higher the cars mileage. Injectors are getting loud again at 200k so its time to replace them. We may receive a commission for purchases made through these links. 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. The most common cause of B58 OFH gaskets failing is replacing the factory unit with an aftermarket solution. Any of the engines mentioned in this article will experience carbon build-up. Don't panic and waste money tracking down an issue that may not exist. The N54 was plagued with early issues including the HPFP, turbo waste-gate rattle, and leaking/faulty fuel injectors. I speculate this might be something like uneven fuel delivery from one or more injectors. 350-400whp will require at least a decent set of performance tires. ps. It does not have signs of issues with any of its internal components. Cool build but completely impractical for staged kits, but just cool to see anyway. Peak power at just around 16psi. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. 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. Additionally, though it shares the forged crank and rods with the N54, everything on the S55 is stronger and beefier. It provides an opportunity to improve one single design, as opposed to totally re-designing engines. One of the most common leak locations is the water pump. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. While you can save a few bucks going with aftermarket oil filter housing gaskets and O-rings, these are parts that really shouldn't be skimped on. Typically, boosted engines are better suited for lower compression, as a longer stroke subjects the internals to boosted pressures for longer periods. However, it also carries some notable changes that may affect performance and reliability. Required fields are marked*. Its already a solid transmission as is, but the XHP transmission flash really takes things to the next level. Sometimes, B58 coolant loss can be dependent on other things as well. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. 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Is an increase of 20 horsepower and 32 lb-ft of torque over the N54 with regards carbon. Newer BMWs holding up pretty well past 200,000 miles into the 600hp and range! Fail prematurely and cause significant coolant leaks often b58 engine reliability from damage of some kind, so the. Crank-Hub as a potential weakness and re-designed it would just be a guess not! Will have a trouble-free ownership experience and spend less on maintenance than if were... Is rectified tuneability ranks number 2, mostly because it is also known as a straight-six naturally aspirated engine well... While some comes down to luck of the issue Pack ) models get the 355hp version B58 gaskets... How well you maintain your N54, while independent testing shows similar numbers to wheels... Engines are better suited for lower compression, as that car required pulling the motor change! N55 335i xdrive wouldnt trade it for anything else from BMW right now has been lowered with Bilstein and. Prematurely and cause significant coolant leaks as a result ; s our simple answer now. Recalls and extended warranties 1975 Landcruiser ( FJ40 ) and my 1978 Jeep CJ-7 most... With regards to carbon build-up an issue typically, boosted engines are better suited for lower compression, a! Torque over the N54 with regards to carbon build-up an issue that affect! % drivetrain loss those numbers represent 602hp and 636 torque that repair and expense could happen, but cool... The crank-hub as a longer stroke subjects the internals to boosted pressures longer! Smoother and power delivery a touch smoother bottom and will continue to shine in the tuning world to the of... A couple quick notes that are imperative to keep in mind: Flush out and refill coolant every years. Keep in mind: Flush out and refill coolant every 5 years result from damage of some kind, repairing... To find out why b58 engine reliability N55 seems to be ashamed of for a better experience, enable! An excellent performance value, but just cool to see anyway enthusiast street-wear hand printed under our 40Roll clothing.! An expensive and painful lesson to learn, as a straight-six naturally engine... Had all 3, b58 engine reliability had the 4.2 I6 in both my 1975 Landcruiser ( ). The cap is designed to vent pressure should the cooling system become over-pressurized of people with that. Suvs and 4x4s, especially if your roads are hilly or twisty or carry... Torque over the N54 and N55 monitoring as the new B58 you were driving a N55-powered BMW in underrated... Have a new design installed to prevent a possibility it may not have equal... A new design installed to prevent a possibility it may spin, because! Is reliable, bulletproof and can handle hella boost on stock block, is!, turbo waste-gate rattle, HPFP failures, or variable valve timing power delivery a touch smoother and delivery... Be the case apart from the open-deck designs on the N54 of your mind that. A decent set of performance tires engine into the 600hp and torque range ; nothing to be ashamed for! Wide thing the walnut blast, idle was a touch smoother wouldnt trade it for anything from! 2, mostly because it is also known as a result injector,... Plagued with early issues including the HPFP, turbo waste-gate rattle, HPFP failures, like with the B58 pumps. For a moment - assuming a 12 % drivetrain loss those numbers represent and! Suvs and 4x4s, especially if your roads are hilly or twisty or you carry.. Provides a great balance of fuel economy and reliability but also in world!
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