Thread: 335d CAI?
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      12-21-2011, 01:08 PM   #2
cssnms
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Drives: 2011 BMW 335d
Join Date: Sep 2010
Location: Murland

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scroll down a bit, although they are not really "cold" air intakes in the true sense. a cone filter will make your car sound better but unlikely to yield power gains; not to mention filtration is usually very poor by comparison with stock filter, so they will let more shit into your intake/engine.