Just seen your selling the car, see is this a case of taking old one out then fitting new one in, then the software Upgrade ?? If I don't do the software yet will it still work like before?
I ask as the BMW at mine doesn't know what this is or how to do it -,- .
MONSTER UNIT M3 E90
GT4 - AKRA EVO - RECARO - AP RACING -
KW CLUB-SPORTS - VOLKS