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misfiring

  1. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi, My engine is misfiring. I've read the codes: P0313 Misfire Detected with Low Fuel P0160 O2 Sensor Circuit No Activity B2S2 P0420 Catalyst System Efficiency Below Threshold P2272 O2 Sensor Signal Stuck Lean B2S2 I've tried running with MAF disconnected but it's still misfiring. I replaced...
  2. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi all, I have a 2003 320d E46, had it several years and its been brilliant, recently I misfuelled it!! put petrol in it and didnt realise. Car ran lumpy as you'd expect, took it to a garage who didnt realise (why should they ) that I had misfuelled it. They changed injectors, glow plugs, glow...
  3. BMW 3 Series Forum - Technical Talk on the BMW E46
    So car has been running absolutely beautifully, smooth idle, loads of power and no issues at all. Then a week or so ago the engine warning light came and it started vibrating on start up and developing a nasty knocking noise A few days later I started it again and it didnt vibrate but still...
  4. General BMW Discussions
    Hi all, Ive a 2008 318i 2.0l petrol, my car is misifirng cylinders 1 and 3, down on power, really loud when ideling and revs are higher than usual at higher speeds. Engines really loud atm also and theres a bell sound from the engine which gets louder as speed picks up. Ive already changed...
  5. General BMW Discussions
    As above
  6. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hello first of all i would like to say am completely new here, and almost(ish) a new bmw driver!, actually am a relatively new driver in general with almost 0 knowledge when it comes to cars (am learning thanks to this forum!) anyways, a few months ago i saw an interesting low millage (66k)...
  7. BMW 5 Series Forum - Technical Talk on the BMW E12
    Anyone got much experience with the M60B40? Mine's been running like a dead dog and I thought it was missing on one, turns out it's missing on an entire bank. Had it in at my specialist but he's out of ideas. He's checked and it's got good compression up and down the whole bank, reasonable...
  8. BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hi all. Hopefully someone can shed some light on my problem!.. I've done plenty of searching and realise that this could be any one of a myriad of things but any help is much appreciated!.. This has been happening for a couple of weeks now, although it has had the cold start fluctuating revs for...
  9. Introductions
    Hi, new to site. I've been having constant misfires when starting up and as far warms of seems to run a bit better but still lacking the obvious power. I have changed all sparks and coils and the issue remains with cylinder 5 and 8. I have swapped coils from working cylinders to see if fault...
  10. BFuk Open Topic
    Hi, I've just joined this forum and I need help with my X1. I've had it for less than 18months, it's about 3 and a half years old and a few months ago it started missing. It's gradually got worse and I took it to a dealer a couple of months ago who put it on the diagnostics and said there's...
  11. BMW 3 Series Forum - Technical Talk on the BMW E21
    i recently had the engine out to fit new turbos, it was fine for few weeks but now its developed a misfire, i start it and its fine for 10 seconds then it drops one or two cylinders, yesterday it dropped three !!...if i drive it the problem clears after 5mins or if i switch it off and restart it...
  12. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    BMW 335i e90 07 - fuel problems, misfiring cyl 6 Check fuel
  13. General BMW Discussions
    Hi Just wondering if anyone can offer me some advice on my BMW 330d - Recently when I start the car (Only when its cold) It seems to start misfiring really bad, If I rev the engine to 2000rpm the misfiring stops, As soon as the car has warmed up the misfiring goes away. I've had it plugged...
  14. BMW 3 Series Forum - Technical Talk on the BMW E21
    Hi everyone once again i am back with another BMW issue i can't work out. First i will start you off with a little history of the car so you can see it from my point of view: it has been very well looked after and it on 133k miles body work is dent and rust free and only has very minor...
  15. General BMW Discussions
    I've got a 118d e87 n47d20a. I had it remapped and 2 weeks later it cut out. Had it put back to standard. I had no high fuel pressure. Change the sensor and high pressure fuel pump. Found it still to be no luck. Found injector 3 leaking under pressure so replaced that and now it will start and...
  16. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi all, I picked up my 335i on 9th July from a trader some 200 miles away from where I live. All seemed well, save for the alignment being out and a slightly rough idle when cold. It felt as though it was coughing or hiccuping first thing in the morning. I had assumed this to be a...
  17. BMW 3 Series Forum - Technical Talk on the BMW E46
    2005 E46 318i sport I have this constant problem of cold start misfiring. I can start the car and idles fine reverse out and go to drive off and it misfires and goes into limp mode. It has become worse but started when the engine began to warm up and then just go into limp mode less than a...
  18. General BMW Discussions
    Hi everyone, long time lurker first time poster here. I have recently purchased an E46 320i Touring with 104,000 miles and I have to say is in almost flawless, brand new condition cosmetically but it's been idling very rough and sputtering out the exhaust. It usually starts well for about 5-10...
  19. BMW 1 Series - Tech Talk For All Gen Of 1 Series
    Hi all I've recently had it serviced (included belt change and brakes) and my 1 series has just developed a misfire. The misfire didn't happen straight away... so i'm a bit confused. I've parked the car as i'm scared to damage it. I'm not very good with cars... so any information you could give...
  20. General BMW Discussions
    Hey. This is my first post on a forum as my BMW is killing me. I bought this BMW 318ci in February 2015 after driving it for a few weeks I started to feel like the car was lacking power and I was using a lot of fuel. On further investigation I found that the fricken MAF plug was disconnected...
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