Thread: Anyone running an ECU upgrade on the X5 40i?
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      05-27-2019, 10:38 PM   #54
Soxypoo
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Drives: 19 X5 4.0 grey
Join Date: May 2019
Location: Needham MA

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Quote:
Originally Posted by Penguino View Post
Burger Tuning all the way on the B58!
Will the JB4 void warranty ?
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