Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P1327-U1202 (N62) >> BMW Me9.2.3 (DTC P1327-U1202) >> DTC P1663, BMW Hex Code 0x2F46, BMW Code 12102: EWS (Electronic Immobilizer) Rolling Code Faulty Storage in EEPROM (MIN) >> System test