Thread: N63tu 2014 550xi- JB4
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      10-29-2017, 07:17 AM   #1
AldoNY
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Drives: 2014 550i x drive
Join Date: Aug 2017
Location: Westchester NY

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N63tu 2014 550xi- JB4
So I heard people buying the M5 JB4 and then get the correct firmware from Burger for the N63tu , also the M5 BCM too. Has anyone else done this?

I saw a guy on YouTube with just that and an exhaust and ran 11.6 1/4 mile.
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