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09-16-2016, 06:02 AM
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#68
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Drives: Z4M - E91 MSport
Join Date: Nov 2013
Location: Gorgonzola (MI) - Italy
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Quote:
Originally Posted by StigJ
The tubes in the lower grill is just subwoofer ports. The tubing I got from a local car accessory store.
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....great idea !!! 
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