BMW E46 Fanatics Forum banner

power loss

  1. General E46 Forum
    Hi all, I have a BMW 320D Touring E46 '04. I have a problem since bought it some time ago, related to loss of power on fast acceleration. I have checked for leaking pressure pipes and precociously have replaced with new. Also I have replaced the MAF and MAP sensors. Recently changed the...
  2. General E46 Forum
    Hi all, Although this is my first post, I have been using this site as a reference for a while now! I have a 2002 318ci (n42 engine) automatic. I’ve got an issue that’s now really bugging me! The problem started about 2 weeks ago when my alternator packed up whilst driving home along the...
  3. General E46 Forum
    My slow sled: 2000 E46 320D touring, 136 horsepower, 5 speed manual trans, 200,000 km. In the past two years the car has had lots of new parts installed but right now the issue is a lack of power. It should have 136HP but feels like 46HP. I replaced the turbo a year ago and the car has been...
  4. General E46 Forum
    I have a 01 330i with intake, headers, full exhaust, 3.38 diff, and a tune. I'm getting a weird hesitation between 5,500 rpm to 6,500, sometimes it will happen just between 6,000- 6,500rpm. It feels like it loses power then after 6,500rpm till 7,000rpm it picks up power again. Really getting...
  5. General E46 Forum
    The codes I'm getting are 300 (random misfire) 1343, 1345, and 1347 (misfires on cylinders 1, 2, and 3 with fuel cutoff). I had several other codes prior to these which led me to watch a YouTube video and replace the valve cover gasket, all 6 ignition coils, and all 6 spark plugs. I'm down to...
  6. General E46 Forum
    Hi Everyone, Sincerely hope some one can help me out with this, please excuse how verbose i can be, i am only trying to be specific and informative. Car is a BMW 318ti Compact e46 with an N42B20 motor The car was every so often giving me severe hesitation when hot, pulling off from a stand...
  7. General E46 Forum
    I recently purchased an 02 e46 M3. it has an after market AFE intake, front and rear struts, H&R lowering springs, and a short throw shifter along with some minor visuals. While driving it has cut off on me twice so far randomly; once while on the highway and once will idling in neutral in a...
  8. General E46 Forum
    My '01 325i service engine light came on. Codes indicated problem was intake camshaft position sensor. Had indie shop replace both intake and exhaust sensors. Now the car feels flat, like it has lost significant power. Seems to be especially obvious in 2nd gear. Also had fuel filter changed...
  9. DIY: Do It Yourself
    Have an M54 engine, that when you rev it seems really sluggish? Have checked everything from the cat converters, to the fuel pump and filter, plugs and air filter....everything seems to be ok? When she idles its like theres nothing wrong at all, really smooth actually. No faults are showing on...
  10. DIY: Do It Yourself
    Have an M54 engine, that when you rev it seems really sluggish? Have checked everything from the cat converters, to the fuel pump and filter, plugs and air filter....everything seems to be ok? When she idles its like theres nothing wrong at all, really smooth actually. No faults are showing on...
  11. General E46 Forum
    So i feel as if i have searched everywhere for a proper description of my symptoms but cant seem to find all of them together. i am experiencing everything from lurching and jolting too loss of power at top end rpm (4500 and on) around 4 months ago i noticed at a high rpm i would get a sort of...
  12. General E46 Forum
    While I'm driving my car, both on the highway or regular streets, the radio will shut off and all of the yellow colored indicator lights on the instrument cluster will turn on for 2-3 seconds then go back to normal. The car doesn't jump like it has lost power and the headlights and cluster...
  13. General E46 Forum
    I have a 318 SE 2003 facelift with some frustrating symptoms. It feels like the slight loss of power when you have the air con on, also when accelerating from start it seems to bog down. If you do accelerate hard when you change gear there is a massive loss of power but only briefly. Other...
  14. General E46 Forum
    Hi guys been trying to chase down this problem with my 325ci Under hard acceleration cars rpm go up then there is a dip then away she goes, not so noticably in 2ns gear but higher gears more noticeably it is. For example if a hit the gas hard rpm will go to 3500 drop back dwn to 3000 before...
  15. General E46 Forum
    So my alternator died on me a few months back decided hay im gonna buy a 200 amp alternator instead of the 120.....why cuz i was gonna throw a audio system in later! but sometimes im driving the battery light flashes for a quick second and go away at complete random......i check the voltage the...
  16. General E46 Forum
    Hey, I was hoping someone could help me diagnose a possible engine problem with my '03 330i that has about 170k. About 10k ago my engine light started going on and off intermittently but I had no problems so I just ignored it. Then, the other day I started my car, and the whole car was...
  17. General E46 Forum
    Hello, I think i've got this in the right place but please correct me if i dont! Ive been reading up on vanos seals on the e46 - Re Loss of power when at low revs and moving off, then a sudden burst of power around 3k rpm. I am experiencing this on my 2001 318ci Coupe, (143 bhp) but most of...
  18. DIY: Do It Yourself
    Hi People I'm very new to this forum stuff plus im a bit of a technophobe so please hang in there with me? I am the proud owner a 2004 320d with an MTEC Kit but I now have a small problem which could turn nasty! After covering about 150 miles or so on a journey there was a loss of power...
  19. General E46 Forum
    Hi All, I have been suffering from power loss for a while - i put my foot down and its like driving a slug and expecting acceleration... I have been reading a lot on this problem as many 3.18i owners seem to have it. One of my major suspects is the MAF after trying/replacing some other...
  20. General E46 Forum
    firstly I am based in Malawi (Africa) and we are not fortunate enough to have access to highly experienced mechnics, that said my current mechanic is an ex BMW technician who is a decent mechanic. Few weeks ago car was leaking some oil from one of the pipes leading into CCV and the car went...
Top