If the install is this straightforward, why do people loosen the differential bolts to remove it? Doesn't seem like that is necessary, yet it seems that some shops have done that with disastrous results.
E92 M3 MR on Red/Black ZCP Sound
2007 997S - sold
2003 E46 M3 Steel Grey on Red- sold
1997 E36 M3 Arctic Silver on Black- sold