M3 mirror Homelink question
if i was to just buy a mirror for my m3 with the home link function and plug it in would everything work?
would the home link work as its suppose to or would i have to program it......
also do i need a Rain light sensor plug also because my car doesnt have one!
 Section 1 Dual AR20's B&B Exhaust Led interior  SSBL
KW V3  Eibach F&R Sways BMC Filter