Home >> BMW >> 2015 >> 650i 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - Bank 2 (N63TU) >> Fault Code Tests >> DTC P02CA: BMW DTC 121540; DME -- Turbocharger/Supercharger 'B' OVERBOOST Condition >> Condition for fault memory entry