Home >> BMW >> 2011 >> Alpina B7L >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P11AA - DTC P12B6 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P1671, BMW Hex Code 0x100701, BMW Code 1050369: Internal Control Module Throttle Actuator Controller 2 Performance >> Service instruction