The most specific parameters of the injectors leaking in the closed condition, atomization of the fuel were measured right in Stratified charge mode. Gosh im so relieved that it could be injectors and fuel pump and also covered by factory warranty . Mechanic found 4 misfires and fouled plugs and bad coils. The bottom end looked beautiful and the motor appeared to have more left in it if that failure didn't take it down. Speeds upwards of 180-190mph are possible with tunes and bolt-ons. Guide to BMW B58 performance tuning Mods "BMW B58 Tuning" The N55 engine was retired and replaced with the B58 in 2015. Hey! Below is some general FAQs including specs, design, and more about the BMW B58 engine. N63. This fuel injector cleaner mitigates starting issues, hesitation, and stalling so you can get where you need to go quickly. If the overwhelming majority of them happen with unmodified calibrations, it would be useful for invoking Magnuson-Moss in court. These are from Bosch who make them for BMW. MSD80/81 was replaced by MSD87. Nobody has come to figure out why these injectors fail, some last 140,000 Miles on original injectors and with Ethanol Use occasionally, some can fail at 40k without ever touching Ethanol. B48/B58. Zach has over a decade of experience working on and writing about cars. Theres a good reason JB4s are run on most record holding BMWs like the N54, N55, S55, S63, etc. Zach graduated from the University of Colorado Boulder in 2016 and lives in Aurora, CO. Many B58 owners are experiencing low coolant in the main tank. Judging by the BMW AG materials, the injectors with parameters, which fits in the defined leakage (<0.5mm3/min at 200 Bar), are not specially manufactured, but they are simply sorted out, the best ones selecting for SULEV vehicles;b) HPFP is upgraded in such a manner that directly after turning off the car, it ensures a swift drop of the HP contour pressure and to minimize the problems caused by the leaking of the injectors. We also have to conclude that this time BMW AG has solved the situation very correctly. We can only rely on experience.Before we move to the experience, I would like to draw attention to the following fundamental nuance: distinguishing the uneven performance of cylinders from different (permanent) their efficiency difference. N43/N53 operation modes. 207. The BMW B58 engine is a turbo 3.0L inline-6 that was first introduced to BMW models in 2016. Yes, Toyota slightly tweaked the B58s design for use in the Supra. Uneven running. Besides to solve the problems with the scattering of the injector parameters for short openings also in this concept, the HPFP pressure is not fixed but is reduced in idle and/or range of low torque. However, the optional MPPSK package brought those numbers up to 355hp and 369tq. For many years already, the actual (last) release of the injectors: 11. Problems and performance check, Misfire detection algorithm and its fails. Changed all spark plugs and coil pack changed oil too . Any help guys ? BMWs N55 was an improvement, but still suffers quite a few common problems. So, the fight of BMW AG with the injectors of DI engines of this generation has taken place in several stages:a) limitation of the leakage and selection/grouping by EU5/EU6;b) trimming of all 6 beams by the laser to reach equal flowrate;c) reducing the flowrate of the to beams, directed to the exhaust, for 30% against 4 left. Since the BMW B58 uses an intercooler the temperature of the air entering the intake does not matter much. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Nothing seems to indicate any major design flaws with the B58. In 2018, the B58 received a technical update known as the B58TU1. Stratified charge performance check, NOx sensor. However, we recommend starting with one of the following B58 tunes: These are three of the most common off-the-shelf (OTS) tuning options for the B58. Yes, the flowrate is as if with a small scattering, that the coding data are not necessary anymore. Certain G series models began receiving the updated B58TU1 in 2019. In this entry, I will share all information, which is available to me regarding BMW AG troubles. This leaned out the motor and ringland piston #1 shattered and melted. Appreciate 0 Quote 09-14-2018, 03:52 PM #8: e85m4. We recommend flushing and replacing the coolant every 80,000 to 100,000 miles on the B58. How long an engine will last is always a tough topic. **Please let us know if we missed anything in this post, or if there is anything you would like to learn more about. No possible repair only complete 40k engine replacement . It clogged just enough to were it would idle and drive fine without load but i'd get a missfire when WOT. In N20, the same injectors as for N55 are used. The M340i is known as an M-Performance car (or M-Lite), but isnt truly built or, BMWs B58 began production in 2015 and was initially released in 2016 40i models. Well discuss this more in the next question below. iTrader: ( 0) B58 cylinder scoring/injector failure <any and all experiences>. That is far from the truth. As with many turbo BMW engines the B58 loves to burn through spark plugs. Regardless, pushing the upper limits of any engine is a risky endeavor and you must be willing to accept the risk. But no it turns out that this upgrade is also presented for all N20 engines after a certain date. Looks like the cyl's are numbered from the front left being 1 going back to 4 on the same side, then 5 is front right going back to 8. F series. While both carry an M-badge only one of them is truly an M the BMW M3. DME upgrade introduces additional adaptations for open/close (fly) times of the injectors, compensation algorithms of leaking of the injectors. Sorry I'm not BMWNA to pull up this "documentation" you're after. The Fora platform includes forum software by XenForo. Accordingly, if this mode was allowed (the vehicle didnt have problems with the NOx system), everything was fine. In these engines, the same injectors as for N55/N20/N26 are used. What fundamental changes expected this generation of the engines? For a better experience, please enable JavaScript in your browser before proceeding. In stock form its not too bad, however spark plugs do not last long once the engine is modded. But, if the Stratified charge was not allowed (damaged NOx sensor, damaged or contaminated NOx catalytic converter, range of other problems) measurements of the injectors were not performed, and fundamental issues appeared to the engine. Your email address will not be published. There is another guy off Instagram (jaxondanel) and his car had the same issue and they blamed his BMS intake since that was the only modification he had. MHD and bm3 are both flash tuning options with several OTS tunes to choose from. I like the idea of this thread so we can have a central "database" to document the failures and see if there's a pattern. Are there any ways to see the health status of the NOx system?, B58. Its actually a solid process for designing rods. Issues such as HPFP and fuel-injector failures were no problems yet for B58s but let us assess some common ones: Coolant Loss Can anyone here help ? Email kern417yt@gmail.comFOLLOW ME ON MY SOCIAL MEDIAhttps://www.facebook.com/kern417youtubehttps://www.instagram.com/kern417https://www.tiktok.com/@kern417?Support the people that support me! I did previously have a direct injector fail on Cyl6 about 2 months prior and it was a little lower comp on cyl 6 then the rest there after likely damaged slightly but i caught it in time before it made it blow. Sounds good. No scoring problems on my tracked car. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. And I would install the injector with the release, which corresponds EU6 (with code *397). As with the N55, the B58 engine uses a single twin-scroll turbocharger. Still confused. DO NOT TRY TO JUST REBOOT, THIS IS NOT A WINDOWS COMPUTER! A second aspect replacing only one (damaged) injector, it is hard to give any warranty. Part 1. Dealers attempt to sketch you for EUR 6000? Please ensure your correct model is selected. N20/N26. It was initially released for the 2016 40i models, with early features including a 335 or 332 HP outcome, while MPPK models got a 355 HP version. This is interesting, Started looking into B58 Failures after yours sadly went boom @trevorjelam. Again, the B58 seems to be highly reliable in its early days. Throttle and accelerator pedal. Coolant also helps prevent corrosion. As we discussed briefly above, the N55 was an improvement over the N54. Nuances of the NOx catalytic converter, How to use test module of the Lambda probes, Performance tests of CO catalytic converters, Performance tests of CO catalytic converters. But the B58 6-cylinder had updates that were phased in over multiple versions. Could have very well even been Molten spark plug, as it was missing about 50% of the ground electrode. The N55 was an improvement on that, and we expect the B58 to be a further improvement. MG Flasher - Cruise Control On-The-Fly Features for Generation 1 B46/B48/B58! Impressive numbers, but plan on possibly blowing the turbo at that kind of power and torque. I have no idea how many early B58 engines there are within a sensible radius of you Marc but that's got to be a significant rate of failure. Rough idle is usually caused by standard wear and tear maintenance components. Lieutenant . Why can't you say the previous owner caused this? *We will focus specifically on the engine for the purpose of this post. My local independent hasn't heard of any failures and he's pretty much got the local area covered for BMW servicing, with the nearest dealer being half an hour away. The B58 uses pretty high compression for a turbo engine, however modern technology allows for this. To do that, connect to the EKP fuel pump module. RK Autowerks B58 Port Injection Kit - B58 Gen 2. Yes! Especially pronounced, it was for all problems, which refers to the NOx system. Of course, the new M-engine S58 . The BMW B58 entered production in 2015. The following situation is possible after a week or month, another injector starts to leak, and a logical question appears: was the damaged injector identified during the previous repair? MG Flasher Now Supports Late Model B48 MINIs! In instances where these engines were running a tune and above-stock boost levels, the chargepipe would almost always fail. OEM Replacement Unit: Bosch Gasoline/Petrol Direct Injectors. Expect gains in the ballpark of 15-30whp with a catless downpipe. Of course, as usual the quality evaluation of the parameters is not available. Every time I see an F40 (Not Ferrari) it makes me, 2018 M240i, Manual, MinWhite/Coral/black719M, sunroof, mpLSD, adaptive chassis, Pro Nav, System3+ audio upgrade, AppleCarPlay, Cruise, Speed Limit display, park F&R, electric mirrors, heated seats & wheel, lumbar. The connecting rods are actually made in one piece. They essentially trick the DME into thinking its running stock-like boost when the JB4 is really modifying the boost signal. Dirty intake valves (walnut blast needed). Part 2, Importance of the service procedures. Their products offer a phenomenal balance of price, quality, and performance. Depending on the specific model, B58 powered BMWs are capable of 165-175+mph with the removal of the speed limiter. Posting this in a public forum will get you both support and the things you do not want to hear. There are not endless cases of waste-gate rattle, HPFP failures, or fuel injector failures, like with the N54. Drives: M4. Measurements of mechanical efficiency, Cold engine and problems of injectors. Can you tell us, have they all been high mileage cars? The first one noted occurred in 2016 and it was not flashed.. JB4 only + meth and luckily the dealer covered it. Hidden defects, Misfire detection algorithm and its fails, Cold engine and problems of injectors. 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. Again, we absolutely love the JB4. F series. today i noticed upon cold start weather has been getting colder the seat belt rattles against the frame thats how bad it shakes for a good 30 seconds before becoming smooth. Stratified charge performance check, NOx sensor. Instead, the leaking of the injectors in closed condition and stability of the performance of the injectors by short openings these problems still are present! A Stratified charge doesnt reduce fuel consumption? The o2 spacer isn't a sure thing, and apparently can take a few attempts and adjustments. Most are limited to 155mph from the factory. Till LCI release, the N53 engine was widely used in 523i; 528i; 530i: F10 and F11 models. Am I going to dig it up, nope, but feel free to use the search button. However, time will tell just how bad the valves look around the 100,000+ mile mark. The situation of No.3 and No.4 is slightly worse, but cylinders No.2 and No.5 dont have either fuel or air. Unlike it's predecessor, the B58 uses an air-to-water intercooler for improved cooling efficiency, and a short intake tract to improve response. Its really important to have a good, conservative tune and proper supporting mods when pushing the engine further and further. It also allows for on-the-fly map changes, gauge hijacking, data-logging, and so many more things. MSV70/80, MSD80 and Lambda probes. Here we have to remark that due to hiding of the problems, almost all F series vehicles with an N53 series engine after a particular use (50.000 km+) were not using a Stratified charge. Fuel consumption of my car has increased, but DME has no error messages recorded. Spark plugs are a standard maintenance wear and tear item. Problems of air-tightness, Idle. Potential Problems for B58 Engines. Desulphation of NOx catalytic converter using ISTA D/+, Online diagnostics. So time to test the fuel pump. We recommend Liqui Moly oil products for the B58. Its a lot of torque for a factory single turbo bolted to a 3.0L inline 6. Its a vague answer, but theres really no perfect answer. BMW B46/B58 vs B46TU/B58TU. Quantity. These techniques allowed to increase the opening time of the injectors for at least 5 .. 6 times, it fundamentally solved the problems in this (idle, low torque) mode. Some B58 owners even opt to run 0W-40 or 5W-40. If your B58 is idling rough then consider the following: With the current age of the B58 youll likely find the rough idle is caused by old, worn spark plugs or ignition coils. Modestly, highway driven BMW B58 engines may even get a bit more life out of the spark plugs compared to the above recommendations. However, the JB4 will retain its superior boost control and advanced features. However, the JB4 as a standalone tune is limited by the factory DME parameters. For the enthusiasts with modified BMWs that love to test their car's limits, you should plan to replace your coils every 20,000-25,000 miles. Whats the difference, Dealer. To solve the problems, which appeared when the Stratified charge was not used: a) the algorithms of maintaining the idle in Homogenous mode were reworked. There is no perfect answer to this. But there was a major update done in 2018 and then another for 2020. Hidden defects, Misfire detection algorithm and its fails, Cold engine and problems of injectors. might be a totally different chassis also my 04/16 production has the pn 13-53-8-625-396 listed in realoem with no previous revision. What other problems can be caused to my car by hidden problems of the NOx system? The motor and ringland piston # 1 shattered and melted corresponds EU6 ( with code * 397 ) of! 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