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 MANUALSBMW2018740IREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL SYSTEM -- REPAIR (1 OF 3) (G12)
2018 BMW 740i
Fuel System -- Repair (1 Of 3) (G12)
2018 BMW 740iSECTION Fuel System -- Repair (1 Of 3) (G12)
- 13 31 Electric Fuel Pump With Drive And Line
- Notes regarding the fuel pressure test (reference pressure: surrounding area) (all 7' series models 2016-2022)
- 13 31 029 Check delivery pressure of electric fuel pump (740i 2016-2022, 740i xDrive 2017-2022)
- 13 31 035 Removing and installing/replacing fuel supply line (740i 2016-2022, 740i xDrive 2017-2022)
- 13 31 029 Check delivery pressure of electric fuel pump (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
- 13 31 035 Removing and installing/replacing fuel supply line (740e xDrive PHEV 2017-2019)
- 13 31 035 Removing and installing/replacing fuel supply line (745e xDrive PHEV 2020-2022)
- 13 31 029 Check delivery pressure of electric fuel pump (750i 2016-2019)
- 13 31 020 Removing and installing/replacing fuel hose (750i xDrive 2016-2022)
- 13 31 029 Check delivery pressure of electric fuel pump (750i xDrive 2016-2022)
- 13 51 Injection Pump Regulating Parts, Mixture Control
- 13 51 017 Removing and installing high pressure pump (740i 2016-2022, 740i xDrive 2017-2022)
- 13 51 017 Removing and installing high pressure pump (740e xDrive PHEV 2017-2019)
- 13 51 017 Removing and installing high pressure pump (745e xDrive PHEV 2020-2022)
- 13 51 065 Remove and install/replace the left high pressure pump (750i 2016-2019)
- 13 51 070 Removing and installing/replacing right high pressure pump (750i 2016-2019)
- 13 51 065 Remove and install/replace the left high pressure pump (750i xDrive 2016-2022)
- 13 51 070 Removing and installing/replacing right high pressure pump (750i xDrive 2016-2022)
- 13 51 065 Remove and install/replace the left high pressure pump (M760i xDrive 2017-2022)
- 13 51 070 Removing and installing/replacing right high pressure pump (M760i xDrive 2017-2022)
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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.