Home >> BMW >> 2021 >> 740i xDrive >> Repair and Diagnosis >> General Information >> OEM General Information >> Maintenance And General Information -- Repair (G12) >> 00 00 GENERAL MAINTENANCE (all 7' series models 2016-2022) >> 00 00 252 BMW engine oil service without supplementary service (745e xDrive PHEV 2020-2022) >> Opening the oil filler cap