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1-8 of 8 Results
  1. E46 General
    My car has a rough idle sometimes and revs very jerkly when setting of sometimes. It also, if left on idle for a few minutes sounds like its running on less cylinders(maybe 5). it's had new plugs, coils, maf, Disa valve checked, injectors checked. it has has a de cat manifold but it was mapped...
  2. E46 General
    hi everyone, I really hope someone can help me out here. I have a bmw 325i 2001 that has rough idling and acceleration lag. Weird thing is when I first start the car its fine until like a quick pull. After that it starts having poor acceleration and rough idling. However if im at a stop sign or...
  3. E46 General
    Hey guys I need some help here. Got a 01 330ci automatic, with about 249k miles (ik quite a lot). A few months ago i was driving on the highway when the rpms started to jump up and down drastically, felt like the power was surging. Pulled over the car it stalled and I waited a few minutes and...
  4. Driveline, Performance, Tuning
    Hi, My wagon (which is an automatic) becomes very rough feeling if I travel at speed but if I pop it down a gear in sport manual mode it increases the revs and the shuddering sensation disappears. It feels like my manual car does when I change gears too early but it's an auto and it drives fine...
  5. E46 General
    Hey Guys, new poster here! Recently, I cleaned my IAC valve and throttle body and replaced a crumbling fuel pressure regulator hose connector; after starting up my car I found it had a rough cold start. I can often hear the IAC valve knocking very loudly while the revs bounce around for a...
  6. E46 General
    My e46 refuses to get better. After running on idle for +30secs(start up, red light, does not matter) aswell as when driving there seems to be a random cylinder misfire. The symptoms of this are: heavy shuddering/shaking of the car upon acceleration or when idling loss of power hesitation...
  7. E46 General
    My 328Ci is having periodic VANOS issues that is accompanied by a hard start (cranks for a little longer than usual about 4-5 seconds but starts every time) the car is down on power and it feels like the VVT is stuck in high rpm timing, the power below 3000 RPM is extremely poor and feels...
  8. E46 General
    As of yesterday, my e46 325ci manual was running fine, all okay and then I left it for about an hour and a half and it started making this weird noise like the exhaust was blocked? The car has no power although the rev range. I have no engine light on and started it this morning and it's the...
1-8 of 8 Results
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