2001 BMW 320I
100,000 MILES
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ANONYMOUS
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  • 1 POST
my car makes a low blowing noise intermitently whilst driving and the revs drop when the noise occurs
Jan 3, 2013 at 3:48 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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DOCHAGERTY
  • CAR REPAIR CONTRIBUTOR
  • 9,603 POSTS
VANOS, cyclone separator, the list for what might be the source is very long, lets narrow the search. Is the check engine light on? Has the live data been investigated? What are the fuel trim numbers?
Jan 5, 2013 at 5:25 PM
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