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      03-22-2022, 07:34 AM   #193
TopJimmy
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Drives: 2023 M3 Comp xDrive
Join Date: Jul 2019
Location: Chester County, PA

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Quote:
Originally Posted by DeathBear View Post
I am looking to put BM3 stage 1 on my car along with XHP. Is there in order in which I should flash the car?

How would it work if I am to use the boost by gear reduction in BM3?

Thanks!
No particular install order…either way is fine.

Make your BM3 TQ Reduction settings first, so you can feel power changes and check for tire spin. Then tweak the trans action with XHP.
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