Thread: Exhaust leak?
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Old 10-21-2012, 03:57 PM
tyler3567 tyler3567 is offline
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Location: Maine
 
Join Date: Sep 2010
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Mein Auto: 2003 BMW 325xi
Quote:
Originally Posted by QAfred View Post
I had a similar issue, vibration, not a rattle, on the down rev, right around 2000 RPM down to 1800 RPM was the worse. You would have almost thought it was in the drive train it vibrated so much, mainly as I approached 2000 RPM, in 4th or 5th gear, on the down rev only. I also had a slightly rough feeling idle.

I pulled and cleaned the ICV, with carb cleaner, and the vibration went away. Idle smoothed out too.
Hmm, interesting thought, mine is only on the up rev around 2500 rpm, but when I first heard it, it definitely made me think drivetrain. It doesn't always happen, if I come to a stop and start going again it doesn't always come back.
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