Thread: JB4 for S58 G Chassis M3/M4/X3M/X4M
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doberzus doberzus is offline
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Join Date: Sep 2019
Car: 2020 X3MC/2018 Raptor
Default 09-08-2019, 11:19 AM
Will the JB4 be compatible on 91 octane at 4500 above sea level?

I'd be interested to see the power gains on 91 Octane/Map 1.
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