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Old 09-05-2012, 03:35 PM   #4
Registered User
Join Date: Nov 2011
Location: NYC
Posts: 625
My Ride: ///M3 02
Gear position sensor and while ur at change the salmon relay too. the gear position sensor is around $350 relay is $12. make sure u bleed the system after you install the gps and while ur at it check if any of ur compression springs are broken. goodluck!
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