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Old 01-13-2009, 05:19 PM   #21
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Join Date: Sep 2006
Location: Tampa, FL
Posts: 1,020
My Ride: 2001 325i Sedan
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GM5 (or aka Basic module) controls the wiper, interior lights, trunk lights, windows and door lock. Suprisingly that you can operate the windows and wiper w/o the key in the ignition.
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