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      09-30-2021, 03:16 PM   #692
bluewater328
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Drives: 2011 bluewater 328i LCI sedan
Join Date: Aug 2010
Location: Hawaii

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Quote:
Originally Posted by E92_William View Post
What long term difference does it make? Mine fell out a very long time ago and I found it in the garage but didn't know what it was, put it somewhere and now it's gone.
Rattling, alignment with the screws/ducting that goes to TB, and your airbox may have a tendency to sit on the upper rad hose or press it down as you reinstall/maneuver the airbox components back in. Bad news for a piece (the upper rad) that self-destructs on its own :P
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