Very interesting. Looks like an awesome package, but I'm confused about the overboost (N54??).
Also package says mixed-width tires ... I thought XI had a square setup?
But damn ... I'd have added that to my car in a heartbeat if they offered it.
2011 BMW 335i E92 - Le Mans Blue, 6MT, M Sport. JRZ RS Pro, Quaife LSD, BMW Perf Exhaust