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  1. BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hi All first time poster here, please be gentle... I have recently embarked on my first N62 adventure and so far so good! I have recently started experiencing an issue with my 6 series (2004 645Ci RHD), starting the engine cold for the first time only, results in a very rough idle, Idle...
  2. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hello! About the car 136hp made in 2000 had the vp44 pump swapped by the previous owner. I removed the EGR completly (bypassed). Swapped pressure converter numerous times (still bad performance) new vacuum hose, cleaned maf also disconnected maf and cleaned breather also no CEL. One moment to...
  3. General BMW Discussions
    320d n47 2010 4560 rail pressure monitoring, delivery deviation fault code and limp mode under very hard acceleration with engine management light, which clears upon restarting the car. Before this I noticed a misfire when hard accelerating but sometimes goes into limp mode. I have changed fuel...
  4. General BMW Discussions
    Hi, My car has a misfire on the second cylinder. Changed the plugs and coil packs, that’s done nothing. Had the compression checked and that was all good. Heard it might be an ecu fault. Anyone had this problem before?
  5. Auto Electrical Forum
    Hi all, Not sure if this counts as electrical, please let me know where it should go if in the wrong place. Replaced my index 9 injectors with “remanufactured” index 11’s from DieselFix Neuss and all seemed fine for short time then started getting misfires on different cylinders always moving...
  6. Diagnostic Hardware and Software Discussion forum
    Hi guys, I have recently bought a 1 series 120i. I love it, however recently the engine light has come on. I took it to a garage and they explained that it had been misfiring. They changed the spark plugs and said I would need to continue driving it to see if that had solved it. The engine light...
  7. BMW X Series - Tech Talk For All Gen Of X Series
    Hi guys Newbie here and i need some advice. I have a 2010 2.0 diesel X3 with 123k on the clock. I has developed what seems like a misfire. When cold the misfire is barely noticable but once the engine warms up the misfire gets worse and this only seems to happen under acceleration. I...
  8. General BMW Discussions
    Hey, I have a problem with my E46 316i 02' I originally had an engine that misfired all the time and started shutting down cylinders until it eventually died out. We then decided to swap the engine to one we knew worked, in hopes of fixing the problem, and not have to diagnose the issue. As...
  9. E63
    Hi their, I have a bmw 650i 2005 The car started to have a misfire and when accelerate sometimes shake for a split seconde ( hesitates for a split second ) The misfire when plugged in OBD2 was cylinder 5 cleaned all injectors and swapped over ( no difference) changed all spark plugs ( no...
  10. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi could someone help me as I’m about to lose my head with this car and don’t know where to start and don’t want to take car to mechanic costs too much £££ so few weeks ago the car was driving fine and then once was driving it engine management light came on and lost power and was really...
  11. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi I have moved up to a 2005 530D auto. It has the weirdest problem which I can not sort. Start the car, revs and runs fine. Remain in Park. Take the revs to 1500 or over and it will mis-fire once, engine management light flicks once, revs drop and then all is fine. This will also occur if I...
  12. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi, I wonder if anyone can help. My Son has a 2002, BMW E46 320Ci. The car seems to be running too rich as all the plugs are black and sooted. After scanning it shows an error on fuel bank 1&2 with misfires on all 6 cylinders with codes P1343, P1344, P1346, P1348, P1350, P1352. We've checked for...
  13. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi, I have a persistent misfire on cylinder #4. I have pretty conclusively eliminated plug, coils, injectors, compression, or DISA as the cause. Spark plug tester indicates that there is no spark, but just on that one cylinder. 12v and ground to coil connector are good. I am not sure how to test...
  14. BMW 7 Series - Tech Talk For All Gen Of 7 Series
    Hi all My 2000 728i with 120k miles on the clock has this issue where it can on occasion have a terrible misfire when starting - causing EML light to come on. If you turn the car off and back on the EML goes out and misfire disappears. Car feels sluggish generally but occasionally it is...
  15. E46
    Hi I’m struggling with my bmw it has a misfire after about 10 minutes running and each time you stop and start the engine the misfire changes cylinder my engine also doesn’t have the secondary air pump. I’ve chnaged lots of things the plugs I had the coils tested the injectors tested I’ve...
  16. BMW 3 Series Forum - Technical Talk on the BMW E46
    Very occasionally on cold start, my 160k mint 330ci misfires. Sometimes it will clear on a switch off/switch on. When cleared, it is smooth for as many miles as can drive and never messes around when warm. DISA ok and Vanos ok. V smooth engine - when not misfiring. Changed No4 coil as I thought...
  17. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi all, Soo.. a year ago I purchased a BMW 318i Se (2008 E90). It has been running fine for about 5 months when it started to stutter and intermittently the engine warning light came up. The stutter was especially bad in second gear on low rev. Handed it to my mechanic, who checked the spark...
  18. BMW 3 Series Forum - Technical Talk on the BMW E46
    274e & 2745 2nd cylinder ignition error. Ignition coils and spark plugs renewed, injectors clean but 2 cylinders gives error.
  19. Technical Guides for the BMW X Series
    I have a 3.0l petrol 2003 x5 that has a misfire when warm if you turn off the engine and start it right back up the misfire goes away but returns about a minute later Done a scan and it comes up with various code I have attached a screen shot of the codes Can anyone point me in the right direction
  20. BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hi all, I've read through the forum in the hope of finding a solution alas not so far. I have a 645 convertible 04 plate 120k which started misfiring a while back but would generally sort its self out after a mile or so - or if I restarted it. Then it developed into a problem so bad it became...
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