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Old 10-11-2012, 09:12 AM
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DHoang DHoang is offline
Location: Austin, Texas
Join Date: Dec 2008
Posts: 1,094
Mein Auto: '98 528i, '82 323i
Originally Posted by jigga1 View Post
Yea mine cooling down you can hear the metal cracking..
I read that BMW put the a/c condensation water drain hose right above the cats so the water would evaporate when it falls onto the hot cats. Perhaps this is what you're hearing?
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