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      01-12-2007, 09:57 AM   #16
Aeroav8r
Private First Class
United_States
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Drives: '11 535i
Join Date: Nov 2006
Location: Tustin, CA

iTrader: (1)

Quote:
Originally Posted by tigger184
How did you come to the conclusion it was the exhaust flap causing the problem?
Drove the car for 30 min., parked the car, engine running in Park. I exited the car, walked to the back of vehicle, 30 sec. later heard a loud sound that is the valve closing ('clasp' sound), car shuddered for a millisecond at the time the valve closed.

Try it.
Appreciate 0