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      03-01-2013, 05:19 AM   #2
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Drives: 2012 E92 M3, 2014 528i
Join Date: Apr 2005
Location: Ft Lauderdale, Florida

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2004 M3  [0.00]
Pin 1 is Negative -numbers are molded in at the OEM speaker connector.

Buy these at your dealer and don't cut the OEM wires:

Speaker housing: 61138373583
Speaker housing pins: 61130006664

Originally Posted by LT5PLA View Post
hi guys. .

i have a e90 bmw sedan with the base system (front doors, under seats and rear parcel shelf)

so I bought a pair of polk audio dxi 400's (4inch) my question is how do I wire it up. im using the exsisting speaker wire as I am not doing an amp just a straight swap. . the oem speaker wire is split into two wires. blue/black and blue/brown. . my question is which one is the positive and which one is the negative. .

also is it best to solder the wire to the new speaker as I cant use the standard speaker wire connector??
-2015 F30 320i, Imperial/Oyster, 8AT: August 2014 ED
-2012 E92 M3 Jerez Black/Rust Brown, M-DCT: September 2011 ED
-2008 E90 M3 Melbourne Red/Bamboo, 6MT: Gone
-2007 MK5 GTI United Grey/Grey, DSG: Gone
-2004 E46 M3 Carbon Black/Cinnamon, 6MT: Gone
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