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
Engine - Oil Cooler/Coolant Pump - Repair (G12)
- 11 44 Oil Cooler W Feed And Discharge Lines
- 11 44 000 Removing and installing, sealing replacing oil coolant heat exchanger (740i 2016-2022)
- 11 44 000 Removing and installing, sealing replacing oil coolant heat exchanger (740i xDrive 2017-2022)
- 11 44 000 Removing and installing, sealing replacing oil coolant heat exchanger (740e xDrive PHEV 2017-2019)
- 11 44 000 Removing and installing, sealing replacing oil coolant heat exchanger (745e xDrive PHEV 2020-2022)
- 11 44 000 Removing and installing, sealing replacing oil coolant heat exchanger (750i 2016-2019)
- 11 44 000 Removing and installing, sealing replacing oil coolant heat exchanger (750i xDrive 2016-2022)
- 11 51 Coolant Pump With Drive
- 11 51 000 Removing and installing/replacing the coolant pump (740i 2016-2022, 740i xDrive 2017-2022)
- 11 51 027 Remove and install/replace electric coolant pump for charge air/capacitor (740i 2016-2022, 740i xDrive 2017-2022)
- 11 51 028 Removing and installing/replacing auxiliary water pump for exhaust turbocharger (740i 2016-2022, 740i xDrive 2017-2022)
- 11 51 030 Removing and installing/replacing component carrier (740i 2016-2022, 740i xDrive 2017-2022)
- 11 51 000 Removing and installing/replacing the coolant pump (740e xDrive PHEV 2017-2019)
- 11 51 028 Removing and installing/replacing auxiliary water pump for exhaust turbocharger (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
- 11 51 030 Removing and installing/replacing component carrier (740e xDrive PHEV 2017-2019)
- 11 51 000 Removing and installing/replacing the coolant pump (745e xDrive PHEV 2020-2022)
- 11 51 027 Remove and install/replace electric coolant pump for charge air/capacitor (745e xDrive PHEV 2020-2022)
- 11 51 030 Removing and installing/replacing component carrier (745e xDrive PHEV 2020-2022)
- 11 51 061 Removing/installing/sealing or replacing flange union (745e xDrive PHEV 2020-2022)
- 11 51 000 Removing and installing/replacing the coolant pump (750i 2016-2019)
- 11 51 000 Removing and installing/replacing the coolant pump (750i xDrive 2016-2022)
- 11 51 000 Removing and installing/replacing the coolant pump (M760i xDrive 2017-2022)
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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