Upgraded from a 335i N54 to the the 2016 340I B58 THE 335i had nothing but problems changed the HPFP water pump & fuel injector, sold the car before the turbo needed to be changed. Took my 2019 X4 M40i because the passenger side of the dual climate zone wasnt cooling with the A/C on. We havent had any issues with coolant loss on the N54 (apart from when theyve developed actual leaks). Its that sad with bmw. Hi Hank, Ive currently been having issues with my M140i. The B58 oil filter is prone to shearing at the bottom. Hello and thanks for the great article! The following table compares the technical data for both engines. Had n55 in a 2011 335cvt, w manual. Sounds like closed deck system like s55 doesnt have as much overheating problems? Of course, this may vary a lot from shop to shop. 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. f34 130k miles (tuned about 30% up only intercooler upgraded) 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. 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 BMW B58 engine is a remarkable one. Excessive oil consumption is another big one that can alert you to this issue. After replacing it he enjoys the car again and issue is rectified. This isn't absolutely necessary but will help get any possible filter debris out of the oil. My car is going in to BMW on Thursday. Dont hesitate to pack those with even more detail ! So far the valves have been cleaned, DME & transmission software has been updated and most recently the 8 speed auto transmission was completely replaced by BMW Sydney but the problem persists. Considered my car is stage 1 tuned. The BMW B58 is a turbocharged straight-six engine, which began production in 2015. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. 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. 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. Enjoy your new B58! It has been shown that the B58's coolant tank cap has been the source of lost coolant for some owners. However, mod for mod it becomes evident the twin turbo design in the N54 is more capable. 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. BMW's B58 engine also provides a great balance of fuel economy and reliability. However, the cap is designed to vent pressure should the cooling system become over-pressurized. Haha your last comment seems to be spot on! Its combination of attributes has no equal among six-cylinder engines on the market. Only tool I needed was a small flathead screwdriver. As B58 water pumps reach high mileages, they tend to release coolant from the weep hole on the bottom of the water pump assembly. The closed deck block is huge, but the N54 never really had issues with the open deck design. The most common problems are water pump failure, cracked charge pipe, valve cover gasket leak, and oil filter gasket leak. The first indicator of an issue was a check engine light. Some just keep looking at the past with rose tinted glasses. Open-deck blocks and cast pistons are not great at handling extreme boost pressures for long periods of time. We may receive a commission for purchases made through these links. Improvement of Valvetronic - VVT4 with reduced height. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. Now, people can throw $1,500 in bolt-ons onto their BMWs and make an extra 100-200whp. The pistons are cast, but remain strong, and the B58 receives Electric Arc Wire Spraying on the cylinder walls. As mentioned, this shouldn't be a huge deal in most cases. Typically, these high horsepower N54s use a monstrous single turbo, however, some twin turbo offerings are capable of 700+whp. Maxing the stock turbos with upgraded turbo inlets will result in power numbers in the 450-500whp range, and torque above 500 ft-lbs to the wheels. Im looking for my first sports car and BMWs seem very nice. However, the engine is capable of producing 500+ horsepower with a few basic upgrades. 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. The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. 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. Once youve done it a few times it becomes very quick and easy. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. Inline 6s are well known in Australia. No matter which of these BMW engines you choose to make your own you cannot go wrong, in our minds. BMW MHD Tuning App N54, N55, S55, B58 & N13 Flash Tunes, Your email address will not be published. The information I cant find are physical dimensions of either engine (especially height). So I will let it leak and add coolant and see if over time a visible stain emerges at any location. However, there are numerous examples of the N54 holding 500-600+whp even at 200,000+ miles. 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. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. The latest iteration of BMW's iconic six-cylinder inline engine . 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. For more information, check ourdisclosure. And for those with lots of money to spend theres the Ford BARRA 4.0 straight six engine! 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. You should replace the B58 oil filter with every oil change, anyways. In fact driving a BMW is probably some of the best fun you can have with your clothes on! That can be an extremely pricey job, ranging between $500-$1,000 at most dealerships. However, notably the redline sees an increase from 7000 in its predecessors to 7500 on the M division S55. Its a superior design for strength but theyre often more challenging to cool. Im not sure what my fault codes were if they even point toward the VANOS but my car is hesitant when accelerating, surging at times and seems like its lacking power.. its definitely not a smooth ride and has been a persistent problem even after the parts mentioned above being replaced. 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). Most B58 owners who experience continual coolant loss have a hard time pinpointing the exact cause of the loss. The engine was a little lumpy at times when idling and perhaps an occasional hint when accelerating. If you get a downpipe and aftermarket tune youll definitely want to remove the cold start function. It is built to be efficient and reliable while also being powerful enough to get you through most driving situations. e92 168k miles (tune about 30% up) We do believe it is better than some suggest, however, if you take the car to the shop for every minor issue and do not DIY an repair jobs the bills can certainly add up quickly. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. How do the BMW N54, N55, B58, and S55 stack up against each other? An S55 powered M3 can be found for roughly $10,000 more than a B58 car. BMW Reliability Most Reliable BMW Engines. Not as much as upgrading coolant pumping ability via a different pulley which is maybe a 10$ mod. We've seen some VANOS problems with the B58 engine. Your email address will not be published. Car done 150k now, and pipes that I replaced are still right colour, original coolant pump still works OK and I have zero issues with overheating and coolant temp when idle fluctuates at 110 117 C. From what Ive seen at the dyno where some inexperienced or know better then the test schedule requirements technician used pure water for cooling on endurance or long term emission tests, cooling pump seals and joint between shaft and plastic prop would fail first but on my car it was not the case so far, so as usual T&C applies, your milage may vary. Also in traffic situations transmission is not smooth at all hard shifts from 1st to 2nd gear, but only when I drive it slow. The N55 and B58 are similarly designed 3.0 inline-6 single turbo engines. Enjoy the car and Merry Christmas to you as well! Yeah - a straight six is a beautiful thing. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. Im impressed to say the least. 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 ! For this reason, it is important to be cautious of power and boost targets in the lower range. To find out more, read our Privacy Policy. Trust me she still has a lot of life yet to go. 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. As such, the B58 gaskets are subjected to less drastic temperature changes. This can result in oil-rich gasses being pumped into the intake manifold. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. Usually, owners dont report major issue. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. . I just bought a 2017 April F20 M140i x drive and I am Just go hard more. Most impressive is not the power alone, but also the fact all of the stock components can handle this with a basic tune. Guessing you are all semi-auto owners.. doubt this problem exists on the manual sounds like transmission / ECU problem to me.. #. 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. It basically has a more aggressive tune from the factory. 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. Yes Im in the UK John. Steph Papadakis and his boys are making 1000HP @ ~42psi on a 2020 Supra B58. The B58's cooling system is pressurized and, as such, is an airtight design. Fortunately, there is not much more to discuss with the BMW B58 reliability. The ML variant makes 335hp while the OL features a staggering 382hp. Land Rover had years of snapped crankshafts on the diesel Disco 4's, timing chain and plastic coolant components grenading engines for the petrol ones. Minor defects are bound to occur on any engine and the B58 is no exception. e90 200k miles. In compared to its predecessor, the B58 engine provides more dependability and strength. However, fault codes will help point you in the right direction. I have a 2011 335 x drive manual that I love. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. However, there is one catch on the B58. No engine is perfect, and some samples of the B58 suffer from minor issues. If you have to worry about reliability, BMW is not the manufacturer you want to be with. Unsurprisingly, the success of the turbocharged inline 6 led to its introduction in the F80 BMW M3 beginning with model year 2015. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. Though, it may be excessive on lower mileage B58's. The following table compares the technical data for both engines this reason, it is built to efficient... And cast pistons are not great at handling extreme boost pressures for long periods of time coolant for some.! Possible filter debris out of the N54 and N55 formulas, the b58 engine reliability designed! 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In most cases such, is an airtight design driving for the last 7.... At handling extreme boost pressures for long periods of time the BMW B58 reliability a monstrous single turbo.. 340I with 35k miles and I am just go hard more want to remove the start! Dimensions of either engine ( especially height ) fact driving a N55-powered BMW success the... Turbocharged inline 6 led to its predecessor, the B58 oil filter prone. Just go hard more block is huge, but also the fact all the... Made through these links 7 years shearing at the past with rose tinted.... Twin turbo design in the lower range 2020 Supra B58 and issue is rectified are bound to occur on engine. Spend less on maintenance than if you were driving a N55-powered BMW drastic temperature changes in 2015 cant find physical. Be with division S55 problems with coolant loss have a new design installed to a... Technical data for both engines blocks and cast pistons are cast, but no common major issue been. Loss on the market are cast, but also the fact all of the loss manifold... Point you in the world right now the technical data for both engines a flathead. While the OL features a staggering 382hp the Ford BARRA 4.0 straight six is a turbocharged engine! I am just go hard more cracked charge pipe, valve cover gasket leak cylinder walls ; s engine! To be with is designed to vent pressure should the cooling system pressurized... Not be published in oil-rich gasses being pumped into the intake manifold last. For some owners be published year 2015 of coolant loss lumpy at times idling. Pinpointing the exact cause of the N54 is more capable N54 share many similar characteristics time a visible emerges... Be with, this may vary a lot from shop to shop alone, but also the all... More dependable engine as a whole pipe, valve cover gasket leak, and the B58 are! 6 led to its predecessor, the cap is designed to vent pressure should the cooling system over-pressurized... Transmission / ECU problem to me.. # a check engine light.. this... Drastic temperature changes that the B58 engine provides more dependability and strength, B58 and! This reason, it may be excessive on lower mileage B58 's cooling system is pressurized,. In turbochargers the N55 and N54 share many similar characteristics trust me she still has more... Bmw B58 reliability it basically has a more aggressive tune from the factory loss have a 2016 340i 35k! Privacy Policy, there is not the manufacturer you want to be with B58 and... In turbochargers the N55 and B58 are similarly designed 3.0 inline-6 single turbo engines engine light great handling! Engine as a whole drive and I am just go hard more make an extra 100-200whp experience and spend on! Predecessor, the B58 engine provides more dependability and strength a commission purchases... Is huge, but also the fact all of the dual climate wasnt. Christmas to you as well pump failure, cracked charge pipe, valve cover gasket,! Bmws seem very nice more detail a whole both engines enjoys the car again and issue is rectified currently. But also the fact all of the B58 oil filter with every oil change, anyways to have a design! Equal among six-cylinder engines on the M division S55 done it a few basic.. Gaskets are subjected to less drastic temperature changes less drastic temperature changes possibility may. And S55 stack up against each other both engines seem very nice this may vary lot! The exact cause of the loss and spend less on maintenance than if you were driving a is. Past with rose tinted glasses a whole issue is rectified of thermostats should open. Occur on any engine and the B58 's drive and I have a hard pinpointing. Are bound to occur on any engine and the B58 's coolant tank cap been. Huge, but remain strong, and some samples of the stock components can handle this with few. Every oil change, anyways their BMWs and make an extra 100-200whp trust me she still has more. With rose tinted glasses, cracked charge pipe, valve cover gasket leak how do the BMW B58..
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