really nice I have some questions for you
1. Does it drone when its open and close valve?
2. What's the weight?
E92 M3 DCT/ESS VT-575/FABSPEED hfc's/AE exhaust/BBS LM 19'/ KW CS/RD sways/STOPTECH TK/ RECARO PP /BMW PSW/WIECHERS SPORT roll cage/CF parts that covers the back seat/VRS hood/bumper/csl trunk/diffuser type 2/CF:mirror cap/side & front grills