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      01-29-2016, 11:54 PM   #6
npark
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Drives: 435i GC
Join Date: Jan 2016
Location: Toronto

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Quote:
Originally Posted by Sheharyar_rr View Post
Its completely normal. After the engine warms up, you can put it in sport mode and hear the exhaust flap open up
wait. so if we are in comfort mode, does the car only lets 1 side of exhaust do the job while sport mode opens the flap for both exhaust??
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