Guide for BMW ECU Validation Service via BMW ISTA After Replacing Certain Control Modules SITUATION With the introduction of the new Headunit HU-H3 (MGU Media Graphics Unit), we have a new way protection mechanism against tampering.If one or more of the following components MGU, TCB Telematic Communication Box (ATM-02), RSE Rear Seat Entertainment, or KOMBISP18 […]
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