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JB4: How to determine if its been used or not?
Hey all. I just bought a used 17 M2, the previous owner said he bought a JB4 but never used it. He provided the box.
I didn't plan to tune the M2, would like to sell the tune. But want to make sure I confirm I can resell it.
On my previous M3 tune once you applied it to your car, you could never resell it.
Can somebody help me understand the JB4. Has it been applied?
Thanks
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Current: 17 OG M2 / R8 Performance
Past Performance Cars: 01 M3, 05 M3, 06 M5, 08 M6, 08 M3, 11 M3, 13 M3, 15 M3, 911 C4S, 911 GTS, 17 M2,R8 V8, R8 RWS
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