Quote:
Originally Posted by auggiem3
The e46 M3 gill is functional too - connects to the wheel well. I had one blow off at 135mph. On track of course.
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Yes. And they were supposed to have air ducts connected to them from behind the brake calipers to vent off hot air from the brakes.
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2014 435i xDrive M-Sport, Fabspeed cat, Active Autowerke axle back, CTS Turbo intake, ER charge pipe, ER Competition Intercooler, MHD Tuning Stage 2+