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      07-13-2018, 03:24 AM   #3
jam135i
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Drives: 2012 135i
Join Date: Jan 2015
Location: San Diego

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Quote:
Originally Posted by adanm25 View Post
I had code 2906 the other day and my car was making a whistling sound when boosting. Check if all your clamps are tighten up. That was my issue which caused a boost leak
What clamps in specific were loose for you? Just so I can start narrowing things down
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