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2002 325xi
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1,646 Posts
This air guide can leak air and that slip fit is normal. Plumbing after the airbox must be airtight. Properly secure with the 3 clips all's well.
 
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· Registered
2002 325xi
Joined
·
1,646 Posts
Dont tape it. It comes apart for filter checks. Also, if air is pulled in there. Its relieving intake resistance. So on balance its a positive.
 
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