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      09-23-2019, 01:17 AM   #1
sactown's finest
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Drives: 2015 435i M Sport
Join Date: Oct 2018
Location: Sacramento, CA

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BMS Stage 1 and BootMod3 Stage 2

Hey everyone, so I have a stage II set up on my F32: catted downpipe, bigger intercooler, chargepipe, and bootmod3 tune. Before this I had a BMS Stage 1 harness that was just plug and play. My question is if I reinstall my BMS stage 1 harness will it make any difference to my car?

Thank you