Thread: JB4 Install
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      12-28-2012, 03:04 AM   #3
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Drives: e92 335i
Join Date: Jan 2012
Location: Walnut/Diamond Bar

Posts: 191
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its really easy to install just follow the instructions. just make sure you leave ur hood open and lock your car and let it sit for about 10 minutes to put the ECU to sleep.
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