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      01-13-2013, 02:38 PM   #12
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Drives: 2009 335i/E90 LCI
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2009 BMW 335i  [0.00]
Originally Posted by Technic View Post
The 20-pin is the OEM speaker main connector harness -your aftermarket amps outputs are wired to it. You need to remove the left trunk trim completely to see the whole OEM wiring.
appreciate the info!
teege is offline   Canada
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