Thread: DFW Members - Track and Coding - Who's In?
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      07-01-2019, 11:00 PM   #8
m4dbimmer
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Drives: 2015 M4
Join Date: Jul 2019
Location: Dallas, tx

iTrader: (0)
Ride looks clean!

Just picked up one as well. It has a BM3 tune on it already, but I'm thinking about going with MHD. Does anyone know if BM3 locks the ECU, or if I can write over it with MHD?
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