What is the total gain of getting the tune and meth kit on a 2011 m3? What does the whole kit with the tune retail at? and lastly how reliable is the kit? please reply i want to order it soon!!!
2011 E92 ///M3- Frozen Grey 1 of 30, M-DCT, Competition Package, OEM splitters/spoiler, RPi GTM full exhaust system(catless), MS pulleys/intake, HID Angel Eyes 8k...!