Quote:
Originally Posted by iamvanja
640i does not have flaps so there is nothing to control.
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I think the LCI 6 cyl could be optioned with an exhaust with flap...so i would recommend using one of the online part database sites...enter your VIN...then go to the exhaust diagram and see if there are two mufflers listed...one with and one without the flap. ]
If you use the last 7 digits of your VIN, the database will list if the muffler with the exhaust flap was offered. If only one exhaust is listed (without flap) you’ll have your answer easy peasy.