does anybody know what the function of the unit on the n/s inner wing of my 1989 325i sport is.reason i ask is that its had a frontal impact(careless fcukwit previous owner) and the wires are severed. i have the loom from a 1990 se and it does not have the unit,just want to know the best course of action,buy a new whatsit or change the loom etc for the later one?????
help anyone
cheers
mat
