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      08-31-2007, 08:35 AM   #1
dechoong
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Drives: E60 530 Sport
Join Date: Aug 2007
Location: KL

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Technical Question

I'm curious, is the rear diffuser on the E92 M3 a working device or just a showpiece? I'm no aerodynamicist, but doesn't the airflow under the car needs a clean line (hence the partially covered underbody) for the extractor/diffuser to work properly at the rear? If so, why is the big exhaust silencer situated right in the middle of the airflow channel towards the diffuser?