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      12-03-2012, 01:47 PM   #9
Second Lieutenant

Drives: 2009 BMW 335d
Join Date: Nov 2012
Location: Connecticut, USA

iTrader: (0)

Question about the JBD upgrade. If I install the JBD performace tuner, does it void the CPO warranty? The CPO warranty covers all the major parts for a total of 6 years or 100,000 miles. I really want to get the JBD performance tuner, but I don't want the dealership to tell me that my warranty is VOID because of it, when something happens to the car. Or do I just remove it before bringing the car to the dealership so they never see it?