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      11-05-2012, 08:33 PM   #8
Mike@N54Tuning.com
Joint Chiefs of Staff
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Drives: 2007 335i, 2015 M3
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Quote:
Originally Posted by splitsecond View Post
I bought my car recently with a JB4 pre-installed... how can I tell if I have the G4 or the G5?
The G5 has only been out a few months so I doubt you have it installed in the car. The box is labelled G5 on it.

Mike
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