Yeah, I'm in Utah. Altitude here is about 4250 above sea level. I guess that could make a difference. Anyone else at altitude with a pre 09/07 build without 29.2 who can compare the turbo performance? I feel mine come on between 2k and 3k rpms and really hit at around 3k.
2008 E90 335i Arctic Metallic over Black Dakota, Aluminum, ZPP, ZSP, Heated Seats, Power Shade, CA, Ipod, Sirius