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      01-28-2013, 08:19 PM   #3

Lshaw13's Avatar
Drives: 09 335i 6mt
Join Date: Oct 2007
Location: Bay Area, CA/ Park City, UT/ Pittsburgh, PA

Posts: 1,234
iTrader: (20)

You need the retrofit harness from bms, also a sport steering wheel, airbag and mf buttons.

The install wasn't too bad, however wiring the harness was a pita. You can pm me if u need more info, I did it on my old 335. I also have the bms manual as well if u wanna take a look at it.