You have a BMW M4, M4 Competition or M4 CS F80 and want to flash a software optimization via MHD or Bootmod3? For many M4 as well as M4 Competition and M4 CS F80, an OBD unlock of the control unit is necessary, as the engine control unit cannot be written or flashed due to a software restriction. Important: In order to be able to offer you this article, it is necessary that you send us your removed control unit from your vehicle to us. As soon as we have received it, we will customize your software. As a rule, we will send your control unit back to you with the modified software on the same day so that you can reinstall it as quickly as possible. Compatible engines and models: BMW S55: BMW M4 F82 / F83 up to year of manufacture 06/2020, BMW M4 Competition F82/F83 up to year of manufacture 06/2020, BMW M4 CS F82 up to year of manufacture 06/2020 Control unit: Bosch MEVD 17.2.G
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