Thread: Tranny tune
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      02-14-2020, 03:11 PM   #1
Snow_335
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Drives: 2015 F30 335i
Join Date: Apr 2019
Location: New York

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Tranny tune
Hello guys I have a 2015 335i rwd with the bootmod tranny flash, I've been reading up on the XHp stage 3 flash, wondering if anyone can tell me what's better?
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