Is possible in the GT-R but not recommended since it eventually destroys many components. It's usually used for dynos or special events. My cobb did not have the option. I'd imagine the same with the 335xi's. If this is possible via JB, it would be GREAT.
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1997 Supra TT (900ish hp)
2014 BMW 535d
1965 Mustang 302 5 speed!
2010 Prius
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