N62 Misfire, Start with the voltage then work from there.

N62 Misfire, Jan 10, 2023 · From there I started to troubleshoot the misfire. If there are misfires in case of a correct fuel mixture – the cause of the problem are the ignition coils or/and spark plugs. From there it also turned into cam tooth offset and now today it still says misfire cy#8 and also cam position sensors. Then I have unplugged right side cam sensor plug and all the issues were gone. Got all new plugs and coil packs (the engine has 115k on it). I reset VVT, initially a camshaft sensor on bank1 was unplugged but I Fixed and cleared codes. diagnosing misfire n62 misfire x5 misfire faults Jump to Latest 21K views 25 replies 6 participants last post by MikeBrooklyn Jun 4, 2017 M Apr 24, 2015 · Violent misfire underload - N62 - Weak coils? I'm curious if any of you guys have experienced this particular problem with your N62 4. 5K views 4 replies 2 participants last post by HamishP May 12, 2021 May 8, 2017 · Misfiring. Start with the voltage then work from there. I used a motor flush treatment on the oil and changed the oil. Jan 5, 2020 · E60 Discussion - n62 4. 8 misfire diagnosis -- 3 weeks and I still can't figure it out -- PLEASE HELP! - I took out the injectors and had them ultrasonically cleaned and rebuilt. 4 N62 May 9, 2021 · N62 X5 Misfire 2e28 misfire n62 misfire p0305 rough idle Jump to Latest 3. I used a scope to check cylinder 8 and did not find any scoring or unusual wear. Any ideas guys. Sep 11, 2018 · Misfires can be caused by low voltage, vacuum leaks from valve covers not sealing, CCV vent tubes, just to name a few. Is it a faulty valvetronic or could it be something else? X5 e53 04 4. But it’s getting worse, as I believe it’s the same issue. Current patient: E66; 745Li with N62B44 engine. I additionally drive it with the scan tool connected and watch live data to see if anything jumps out at me. Jun 8, 2026 · P0307 on a BMW N62 is a misfire on cylinder 7, most commonly caused by a faulty ignition coil or spark plug. Jguzzi922 said: Thank you and I’m sorry for jumping from forum to forum. The engine had abnormal idle, which normalized, only when Valvetronic was disconnected. Check the spark plug well for oil. This occurs mostly when I'm on the highway and is triggered by heavy acceleration. I’ve been getting combustion cyl 8 and also cam tooth offset codes. Most of the diagnostics you have performed would be looking for misfires on multiple cylinders. In this case – the fuel mixture is correct, at the same time the engine shivers irregularly: misfires are observed. Please help. For example a smoke test would reveal a vacuum leak which would cause multiple cylinder misfires, unless it's the gasket just around cylinder 8, this would cause misfires on multiple cylinders. I performed a smoke test at the intake boot and did not find any leaks. . I'd pull the coils and check torque on all the plugs anyway. Feb 24, 2020 · I had some years ago random misfire in various cylinders. Still have the misfire issue. Reassembled and relearned the valvetronic limits, but have been having random Apr 1, 2025 · Discover common problems with the BMW N62 engine, their symptoms, impacts, and essential maintenance tips for owners. Can't find the reason why. In both cases, after having waited for 30min or so, it fires up and drives normally again. I think it all started already a few years ago when I had this at start up in the morning but turning the car off and starting again always helped it. Jul 12, 2012 · HELP SICK 545I n62misfire and smoke 15K views 13 replies 5 participants last post by Damon54 Aug 1, 2012 D douglassimi Discussion starter Jan 23, 2019 · Then the misfire codes came about a month or later later. Jan 5, 2020 · Reassembled and relearned the valvetronic limits, but have been having random misfires and rough running to the point I can't drive it, nor do I think I should lest I damage something. 4s or 4. 4i N62 Misfire Help! I need some advice or guide to troubleshoot the misfire that never go away! The service light recently pop up and I did the code scan and found VIN: LV13586 Mileage: ~69250 Symptom: Engine keeps shaking; losing power; service light blinking on starting and stay on 2019-02-23 Current Fault Log ------------------ Nov 25, 2021 · Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. N62 and Valvetronic problems Today I visited my friends at Bavarian Workshop – a small service center, which specializes in the repair of BMW vehicles. 2005 E53 4. When I blew a spark plug on my N62 I had the same issue - misfire code on all cylinders, strong gasoline smell, etc. Sep 5, 2015 · Have a misfire on cylinders 1 & 2 after reassembly from the replacement of the coolant transfer tube. 8s. Will check the spark plugs after the car has Jun 24, 2021 · I am consistently getting cylinder 8 misfire and the multiple cylinder misfire codes, though. The easiest diagnostic step is to swap the ignition coil from cylinder 7 with another cylinder to see if the misfire code follows. se2kb, eqhb, dw, ofowp, btjme, kic, sdyc, 63, ldy, appr,