hello! when I started my bmw in the morning thr rpm goes back and forwar a little bit but as soon the car is hot it goes away

rickochet
0

Asked by rickochet Apr 18, 2014 at 12:58 AM about the 2003 BMW 3 Series 325i

Question type: Maintenance & Repair

when I started my bmw in the morning the rpm goes back and forward as soon is hot it goes away

2 Answers

Tom Demyan
119,745

Could be a vacuum leak. Try cleaning the IAC, and throttle body. Any lights on the dash lit up?

magnum350
455

grc valve has moisture in it. only way to stop that is to put couple little drops of mineral oil in the grc imput valve.

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