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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSBMW2021430I 2D COUPEREPAIR AND DIAGNOSISENGINE MECHANICALFUEL SYSTEMFUEL SUPPLY SYSTEM -- REPAIR (G22, G23 & G26)
2021 BMW 430i 2D Coupe
Fuel Supply System -- Repair (G22, G23 & G26)
2021 BMW 430i 2D CoupeSECTION Fuel Supply System -- Repair (G22, G23 & G26)
- 16 00 General Information
- 16 11 Fuel Tank
- 16 11 030 Removing and installing fuel tank (4' Series coupe models with RWD)
- 16 11 031 Replacing fuel tank (4' Series coupe models with RWD)
- 16 11 060 Removing and installing/replacing fuel filler pipe (4' Series coupe and convertible models)
- 16 11 030 Removing and installing fuel tank (4' Series xDrive coupe models with AWD)
- 16 11 031 Replacing fuel tank (4' Series xDrive coupe models with AWD)
- 16 11 030 Removing and installing fuel tank (4' Series convertible models)
- 16 11 031 Replacing fuel tank (4' Series convertible models)
- 16 11 060 Removing and installing/replacing fuel filler pipe (4' series Gran Coupe sedan models)
- 16 11 030 Removing and installing fuel tank (4' series Gran Coupe sedan models)
- 16 11 031 Replacing fuel tank (4' series Gran Coupe sedan models)
- 16 12 Fuel Lines/Hoses
- 16 12 010 Removing and installing or replacing carbon canister (4' Series coupe, convertible, and Gran Coupe sedan)
- 16 12 053 Replacing purge air line, front (430i and 430i xDrive coupe/convertible)
- 16 12 054 Replacing rear purge air line (4' Series coupe, convertible, and Gran Coupe sedan)
- 16 12 058 Replacing front fuel supply line (430i and 430i xDrive coupe/convertible)
- 16 12 059 Replacing rear fuel supply line (4' Series coupe models with RWD)
- 16 12 059 Replacing rear fuel supply line (4' Series xDrive coupe models with AWD)
- 16 12 053 Replacing purge air line, front (M440i and M440i xDrive coupe/convertible)
- 16 12 058 Replacing front fuel supply line (M440i and M440i xDrive coupe/convertible)
- 16 12 050 Replacing rear fuel return line (4' Series coupe, convertible, and Gran Coupe sedan)
- 16 12 059 Replacing rear fuel supply line (4' Series convertible models)
- 16 12 053 Replacing purge air line, front (430i and 430i xDrive Gran Coupe sedan)
- 16 12 056 Replacing fuel supply line (430i and 430i xDrive Gran Coupe sedan)
- 16 12 058 Replacing front fuel supply line (430i and 430i xDrive Gran Coupe sedan)
- 16 12 059 Replacing rear fuel supply line (430i and 430i xDrive Gran Coupe sedan)
- 16 12 053 Replacing purge air line, front (M440i and M440i xDrive Gran Coupe sedan)
- 16 12 056 Replacing fuel supply line (M440i and M440i xDrive Gran Coupe sedan)
- 16 12 058 Replacing front fuel supply line (M440i and M440i xDrive Gran Coupe sedan)
- 16 12 059 Replacing rear fuel supply line (M440i and M440i xDrive Gran Coupe sedan)
- 16 13 Fuel Tank Ventilation Pressure Switch And Temperature Sensor
- 16 13 521 Removing and installing/replacing the pressure switch for Natural Vacuum Leak Detection (NVLD) (4' Series coupe, convertible, and Gran Coupe sedan)
- 16 13 522 Removing and installing/replacing temperature sensor for Natural Vacuum Leak Detection (NVLD) (after vehicle diagnosis) (4' Series coupe, convertible, and Gran Coupe sedan)
- 16 14 Fuel Pump
- 16 14 065 Removing and installing/replacing dust filter for Natural Vacuum Leak Detection (NVLD) (4' Series coupe and convertible)
- 16 14 090 Removing and installing/replacing fuel pump (4' Series coupe, convertible, and Gran Coupe sedan)
- 16 14 500 Removing and installing/replacing control unit for electric fuel pump (after vehicle diagnosis) (4' Series coupe and convertible)
- 16 14 065 Removing and installing/replacing dust filter for Natural Vacuum Leak Detection (NVLD) (4' Series Gran Coupe sedan models)
- 16 14 500 Removing and installing/replacing the control unit for the electric fuel pump (after vehicle diagnosis) (4' Series Gran Coupe sedan models)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.