M4 comp exhaust tune

Donnyg2 · 09-18-2021, 06:36 PM

I have the m4 competition I installed the jb4 and i have the intakes on the way will also be ordering the r44 catback exhaust.
Does anyone know if the jb4 have a map that will adjust to thes mods or do i have to have the car tuned dyno tuned to adjust to these mods????

eg80sc · 09-18-2021, 08:05 PM

Don’t have to do anything

09-18-2021, 06:36 PM	#1
Donnyg2 New Member 6 Rep 5 Posts Drives: Bmw m4 Join Date: Sep 2021 Location: Westchester, NY iTrader: (0)	M4 comp exhaust tune I have the m4 competition I installed the jb4 and i have the intakes on the way will also be ordering the r44 catback exhaust. Does anyone know if the jb4 have a map that will adjust to thes mods or do i have to have the car tuned dyno tuned to adjust to these mods???? __________________ 2021 M4 comp
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09-18-2021, 08:05 PM	#2
eg80sc . 38 Rep 22 Posts Drives: 2022 M3 Comp xDrive Join Date: Sep 2021 Location: Orange County iTrader: (0)	Don’t have to do anything
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