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      01-14-2019, 12:30 PM   #85
Dwhoz
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Drives: F30 340i xdrive m sport
Join Date: Dec 2018
Location: Pa

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Quote:
Originally Posted by B58 View Post
Can JB4 users run the transmission flash?
I wouldn't think so. Jb4 works by tricking the ecu. Flashing actually changes the ecu, and layering the two I would imagine would be overly aggressive, especially considering the fuel delivery limitations of B58.

Feel free to correct me if I'm wrong, as I'm certainly no expert on the topic.
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