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      11-21-2007, 05:21 PM   #78
BayerischeMW
Man with No Name
Norway
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Drives: '07 E92 335i
Join Date: Jan 2007
Location: Norway

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i wonder what effect this has on the cars startup procedure?

when i start my car (when the engine is cold), the exhaust only comes out of on of the two exhaust pipes until the RPMs drop in about 40-60 seconds. then the sound changes, and the valve opens and out comes exhaust from both pipes.
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E92 335i coupe March 2007