Yeah I bought another bmw a while ago its a 86 325es automatic.Now when I hold the accelerator pedal at 2700 or 3000rpms it spits and spudders and it happens if i decelerate it from 4000rpms but if i push the pedal to the floor it goes away it only happens at those rpms.Has anyone had this problem or what it could be and it started surging alot more.I need to resolve the problem cause its driving me insane.Now sometimes if I hold it 3/4 throttle or full throttle the problem barely occurs.Swapped coils,swapped ecu,change throttle body cause i thought it might the tps with one I had and it still has the problem.
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Engine breaking up at 2700-3000 rpms
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Originally posted by scabzzzz View PostFirst thought was AFM, next thought was coil.
Check your spark plugs for fouling
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unplug the o2 sensor see if it happens. I had the same problem with my e, under load at around 2500-3000 rpm's it would stumble, unplugging o2 sensor makes it run mint. Also unclear whether your testing this while driving or idling, but you don't want to rev your car in neutral too much and definitely not above 3000 rpms, our auto trannies like to self destruct when you do that
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