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Home >> BMW >> 2013 >> M3 2D Convertible, Standard Trans >> Repair and Diagnosis >> General Information >> OEM General Information >> Functional Description -- M3 Convertible >> Anti-Theft System - Functional Description >> Electronic Immobilizer >> DME/DDE: Digital Engine Electronics/Digital Diesel Electronics

DME/DDE: Digital Engine Electronics/Digital Diesel Electronics

The DME/DDE control unit only enables the start if a correct enable signal has been received from the EWS or CAS control unit. The secret code is stored in the DME/DDE so that it is tamper-proof.