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      01-22-2020, 03:01 PM   #7
ss_m5
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Drives: 2019 M5 Compitition
Join Date: Sep 2019
Location: V

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Quote:
Originally Posted by Bmwusabmw View Post
depends what your goals are.

E85 support is the strong point on BM3. I had BM3 and many JB4, both have their places.
I would much rather go with a tune then piggy. But the results guys are getting with JB4 are hard to ignore and I can buy it today.
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