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mateoosh mateoosh is offline
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Posts: 2
Join Date: Jun 2021
Car: C43 2019
Default JB4 and 2019 FACELIFT - 06-10-2021, 11:50 PM

HI, greetings from Poland !
Just replacing my RaceChip GTS with JB4 in 2019 C43 (facelifted) which should arrive shortly.

Just wondering, if I should use 2020 firmware (since CANBUS system in FL model is completely different than in previous models) or should I stay with the regular FW ?

Regards,
Mati.
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