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      08-11-2012, 06:50 PM   #40
Brigadier General

Drives: 2009 E90 M3 ED
Join Date: Sep 2006
Location: MD/DC

Posts: 4,145
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Originally Posted by Porschefile View Post
They also kind of defeat the purpose of the cheap brake cooling plan. My flanges from aircraft spruce were like $10 and do the same job. The Apex ducts may flow slightly better, but definitely not worth 20x. I did this DIY with success. The hard part is getting the hose to not rub when turning (especially parking).
Do you have any pics?

2009 E90 M3 ED
2014 X1 28i ED