Home >> BMW >> 2021 >> M440i >> Repair and Diagnosis >> General Information >> OEM General Information >> Maintenance And General Information -- Repair (G22, G23 & G26) >> 00 00 General Service And Inspections >> 00 00 252 Engine oil service (M440i and M440i xDrive coupe, convertible, and Gran Coupe sedan) >> Opening the oil filler cap