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      12-28-2012, 03:01 PM   #6
Lieutenant Colonel

Drives: 2012 335i Sport
Join Date: Aug 2012
Location: Memphis

Posts: 1,778
iTrader: (0)

I thought the jb4 had some feature that didnt activate it until the car reached a certain temp? (I dont have one so forgive me if I'm wrong. I'm still waiting to decide between the ppk and warranty vs the jb4 and more power)