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2001 BMW 320 320i BMW

Tiny
MANNYRONA
  • MEMBER
  • 2001 BMW 320
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 75,000 MILES
My 2001 BMW 320i runs great on a cold engine, but after running it for about 10-15 miles, engine starts shaking and loses acceleration power. On a stop, while on "D", the engine acts like it is breathing. The RPM goes up and down constantly. Not sure what it is. Help? Hopefully it's an easy and inexpensive fix. Thank YOu!
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Sunday, April 4th, 2010 AT 11:35 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
I am forwarding your question to our BMW expert. Thank you for using 2CarPros. Com
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Monday, April 5th, 2010 AT 11:53 AM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Check the intake manifold boot for holes or cracking. Look at the bellows to the ICV, they crack all the time.
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Tuesday, April 6th, 2010 AT 5:27 PM

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