12 Hours? I just installed KW Sleeve kit in my garage with no knowledge of BMW suspensions and did it in five hours. I didn't have a lift or air tools.
2014 White 911 C2S | Leather Interior in Black | Sport Seats Plus | 7MT | X-51 Powerkit | PASM-Sport | Sport Chrono | PSE | Carrera S Wheels in Platinum | Bi-Xenon in Black w/ PDLS | Sport Design Front Fascia, Steering Wheel, & Mirrors | Burmester | RSS Spacers
2012 B8 Monsoon Grey Metallic Prestige Audi S4 | Titanium Package | AWE Exhaust w/ Resonated Downpipes | AWE S-Flo Intake | GIAC Performance Software