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      12-29-2017, 08:25 PM   #5
Mike@N54Tuning.com
Joint Chiefs of Staff
Canada
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Drives: 2007 335i, 2015 M3
Join Date: Dec 2008
Location: N54tuning.com

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JB4 is a fun starter tune with a lot of features, and unlike flash maps, includes resale value. They also offer free back end flash maps you can flash to the car when you're ready to take it to the next level.

Mike
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