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


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

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


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.

Your Answer

Add photo

Related Questions

Search BMW 3 Series Questions

BMW 3 Series Experts

#1 Tom Demyan
Tom Demyan
Reputation 1,770
#2 Robert Charlson
Robert Charlson
Reputation 980
#3 Matt Mankinen
Matt Mankinen
Reputation 810
View All

Related Models For Sale

Used Acura TL"
263 Great Deals out of 5,883 listings starting at $1,995
Used Audi A4"
321 Great Deals out of 10,858 listings starting at $1,300
Used Infiniti G35"
123 Great Deals out of 3,154 listings starting at $3,995

Used Cars For Sale