Thread: M340i owners with jb4
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      10-07-2019, 11:58 AM   #5
TheBenchmark
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Drives: 2020 M340i
Join Date: Sep 2019
Location: New Hill NC

iTrader: (0)
I have the jb4 installed for the 2020 Supra.

This is what Terry recommended to get.

Car runs and shifts perfectly.
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