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.
2018 BMW 740iFACTORY OEM SERVICE PROCEDURE
Automatic Transmission -- Repair (G12)
- 24 00 Automatic Transmission Assembly
- Universal BMW transmission support (all 7' series models 2016-2022)
- 24 00 039 Removing and installing automatic transmission (740i 2016-2022)
- 24 00 060 Installing replacement transmission (740i 2016-2022)
- 24 00 039 Removing and installing automatic transmission (740i xDrive 2017-2022)
- 24 00 060 Installing replacement transmission (740i xDrive 2017-2022)
- 24 00 112 Removing and installing automatic transmission (740e xDrive PHEV 2017-2019)
- 24 00 162 Installing replacement transmission (740e xDrive PHEV 2017-2019)
- 24 00 112 Removing and installing automatic transmission (745e xDrive PHEV 2020-2022)
- 24 00 162 Installing replacement transmission (745e xDrive PHEV 2020-2022)
- 24 00 110 Removing and installing automatic transmission (750i 2016-2019)
- 24 00 160 Installing replacement transmission (750i 2016-2019)
- 24 00 114 Removing and installing automatic transmission (M760i xDrive 2017-2022)
- 24 00 164 Installing replacement transmission (M760i xDrive 2017-2022)
- 24 11 Automatic Transmission Oil Pan
- 24 11 105 Removing and installing/sealing or replacing the transmission oil pan (740i 2016-2022)
- 24 11 105 Removing and installing/sealing or replacing the transmission oil pan (740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 24 11 107 Removing and installing/sealing or replacing the transmission oil pan (745e xDrive PHEV 2020-2022)
- 24 11 106 Removing and installing/sealing or replacing the transmission oil pan (750i 2016-2019)
- 24 11 108 Removing and installing/sealing or replacing the transmission oil pan (M760i xDrive 2017-2022)
- 24 13 Automatic Transmission Output Shaft Seal
- 24 13 020 Replacing radial shaft seal for output flange (740i 2016-2022)
- 24 13 020 Replacing radial shaft seal for output flange (740i xDrive 2017-2022, 740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
- 24 13 022 Replacing radial shaft seal for output flange (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
- 24 13 021 Replacing radial shaft seal for output flange (750i 2016-2019)
- 24 13 028 Replacing radial shaft seal for output flange (M760i xDrive 2017-2022)
- 24 14 Automatic Transmission Gear Selector Shaft Seal
- 24 14 009 Replacing the radial shaft seal for the selector shaft (740i 2016-2022)
- 24 14 009 Replacing the radial shaft seal for the selector shaft (740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 24 14 010 Replacing the radial shaft seal for the selector shaft (750i 2016-2019)
- 24 14 012 Replacing the radial shaft seal for the selector shaft (M760i xDrive 2017-2022)
- 24 30 Automatic Transmission Hydraulic Oil Reservoir
- 24 30 102 Removing and installing/replacing oil volume reservoir (740i 2016-2022)
- 24 30 108 Removing and installing/replacing oil volume reservoir (740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 24 30 103 Removing and installing/replacing oil volume reservoir (750i 2016-2019)
- 24 30 104 Removing and installing/replacing oil volume reservoir (M760i xDrive 2017-2022)
- 24 31 Torque Converter Radial Shaft Seal
- 24 31 016 Replacing radial shaft seal for torque converter (740i 2016-2022)
- 24 31 016 Replace radial shaft seal for torque converter (740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 24 31 017 Replace radial shaft seal for torque converter (750i 2016-2019)
- 24 31 018 Replace radial shaft seal for torque converter (M760i xDrive 2017-2022)
- 24 34 Transmission Valve Body, Parking Lock
- 24 34 027 Replace sealing sleeve for transmission housing (740i 2016-2022)
- 24 34 507 Manually unlocking the parking lock (Engine is not turning) (all 7' series models 2016-2022)
- 24 34 508 Electronically releasing the parking lock (Engine is turning) (all 7' series models 2016-2022)
- 24 34 569 Replace mechatronics (after vehicle diagnosis) (740i 2016-2022)
- 24 34 027 Replace sealing sleeve for transmission housing (740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 24 34 569 Replace mechatronics (after vehicle diagnosis) (740i xDrive 2017-2022)
- 24 34 029 Replace sealing sleeve for transmission housing (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
- 24 34 401 Removing and installing the oil pump in the automatic transmission (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
- 24 34 611 Replace mechatronics (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
- 24 34 028 Replace sealing sleeve for transmission housing (750i 2016-2019)
- 24 34 610 Replace mechatronics (after vehicle diagnosis) (750i 2016-2019)
- 24 34 034 Replace sealing sleeve for transmission housing (M760i xDrive 2017-2022)
- 24 34 612 Replace mechatronics (after vehicle diagnosis) (M760i xDrive 2017-2022)
- 24 40 Torque Converter
- 24 40 018 Removing and installing/replacing torque converter (740i 2016-2022)
- 24 40 018 Removing and installing/replacing torque converter (740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 24 40 019 Removing and installing/replacing torque converter (750i 2016-2019)
- 24 40 022 Removing and installing/replacing torque converter (M760i xDrive 2017-2022)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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