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 P1681, BMW Hex Code 0x2D75, BMW Code 11637: Electronic Throttle Control Monitor Level 2/3 Engine Speed Calculation Error (PLAUS) >> BMW Fault Code (hex)