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Old 06-16-2009, 09:58 AM   #2
Registered User
Join Date: May 2004
Location: Bethlehem, PA
Posts: 916
My Ride: 2004 330i
You have 4 wire. The generic Bosch ones work.
For the wires:
White - Heating element
White - Heating element
Black - Signal
Grey - Ground

I've installed the generic ones on various cars (even BMW's) and have never had a problem.
mrshelley is offline   Reply With Quote