Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2021740I XDRIVEREPAIR AND DIAGNOSISENGINE MECHANICALFUEL SYSTEMTECHNICAL DATA (G12)
2021 BMW 740i xDrive
Technical Data (G12)
2021 BMW 740i xDriveSECTION Technical Data (G12)
- 11 Engine Technical Data
- 1100 Engine Technical Data
- 1111 Engine Block Technical Data
- 1112 Cylinder Head With Lid Technical Data
- 1113 OIL PAN TECHNICAL DATA (740i 2016-2022, 740i xDrive 2017-2022, 740e xDrive 2017-2019, 745e xDrive PHEV 2020-2022)
- 1114 HOUSING COVER TECHNICAL DATA (all 7' series models 2016-2022)
- 1121 Crankshaft With Bearing Technical Data
- 1121 CRANKSHAFT WITH BEARING TECHNICAL DATA (740i 2016-2022, 740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 1121 CRANKSHAFT WITH BEARING TECHNICAL DATA (740e xDrive PHEV 2017-2019)
- 1121 CRANKSHAFT WITH BEARING TECHNICAL DATA (750i 2016-2019)
- 1121 CRANKSHAFT WITH BEARING TECHNICAL DATA (750i xDrive 2016-2022, M760i xDrive 2017-2022)
- 1124 Connecting Rod With Bearing Technical Data
- 1125 Piston With Rings And Bolts Technical Data
- 1125 PISTON WITH RINGS AND BOLTS TECHNICAL DATA (740i 2016-2022, 740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 1125 PISTON WITH RINGS AND BOLTS TECHNICAL DATA (740e xDrive PHEV 2017-2019)
- 1125 PISTON WITH RINGS AND BOLTS TECHNICAL DATA (750i 2016-2019)
- 1125 PISTON WITH RINGS AND BOLTS TECHNICAL DATA (750i xDrive 2016-2022)
- 1125 PISTON WITH RINGS AND BOLTS TECHNICAL DATA (M760i xDrive 2017-2022)
- 1131 CAMSHAFT TECHNICAL DATA (750i 2016-2019)
- 1137 VALVETRONIC TECHNICAL DATA (750i 2016-2019)
- 1140 Oil Supply Technical Data
- 1142 Oil Filter And Pipes Technical Data
- 1161 INTAKE SYSTEM TECHNICAL DATA (740i 2016-2022, 740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 12 Engine Electrical System Technical Data
- 13 Mixture Preparation And Control Technical Data
- 17 Cooling System Technical Data
- 1700 COOLING, TEST TECHNICAL DATA (740i 2016-2022, 740i xDrive 2017-2022)
- 1700 COOLING, TEST TECHNICAL DATA (740e xDrive PHEV 2017-2019)
- 1700 COOLING, TEST TECHNICAL DATA (745e xDrive PHEV 2020-2022)
- 1700 COOLING, TEST TECHNICAL DATA (750i 2016-2019)
- 1700 COOLING, TEST TECHNICAL DATA (750i xDrive 2016-2022)
- 1700 COOLING, TEST TECHNICAL DATA (M760i xDrive 2017-2022)
- 24 Automatic Transmission Technical Data
- 27 Transfer Box Technical Data
- 31 Front Axle, Front-Wheel Guide Technical Data
- 32 Steering And Wheel Alignment Technical Data
- 33 Rear Axle, Rear-Wheel Drive, Rear-Wheel Guide Technical Data
- 34 Braking Technical Data
- 36 Wheels With Tires Technical Data
- 41 Body Technical Data
- 51 Body Equipment Technical Data
- 54 Sliding/Tilting Sunroof And Convertible Top Technical Data
- 61 General Vehicle Electrical System Technical Data
- 63 Lamps Technical Data
- 64 Air Conditioning Technical Data
- 6400 Notes, Overview Of Air Conditioning Components Technical Data
- 6451 HEATING AND AIR-CONDITIONING UNIT (EVAPORATOR), SWITCH ELEMENTS TECHNICAL DATA (all 7' series models 2016-2022)
- 64 51 HEATING AND AIR-CONDITIONING UNIT (EXPANSION VALVE) AND SWITCHING ELEMENTS SPECIFICATION (all 7' series models 2016-2022)
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.