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      08-16-2007, 01:01 PM   #22
gtb75's Avatar
Drives: 2006 Corvette Z06
Join Date: Jan 2007
Location: IL, USA

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Cool info - definitely didn't know that... I thought it would be similar to what a Gurney Flap does, but in looking at Coanda info, you're probably right. Here's some Gurney Flap info for those who aren't familiar with the tech: and

Either way, I'm sure it's a functional piece which BMW didn't just put there for looks, so I won't be removing it
2006 Corvette Z06
Black / Ebony - 459RWHP / 438RWTQ

2005 Subaru Legacy 2.5 GT Wagon
Brilliant Silver / Tweed M5 - 229AWHP / 260AWTQ
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