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engine surging

  1. Driveline, Engine & DME Tuning
    I have a 2001 330ci with manual trans and 98k miles. Today while i was waiting at the stop light i kept depressing my clutch pedal for no reason. While i was doing this i noticed that everytime i let off the pedal my idle would go from 600rpm to about 700-800rpm. This happens everytime I let go...
  2. Driveline, Engine & DME Tuning
    check engine light came on about 2 months ago. when i would come to a stop and step on the clutch the engine would surge. sometimes it would die and when it didnt it would have a somewhat rough idle. the intake boot was torn so i replaced that and cleared the codes. car ran fine for about 1...
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