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 MANUALSBMW2021I3 RANGE EXTENDERREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALFUEL SYSTEMFUEL SYSTEM -- REPAIR (I01)
2021 BMW i3 Range Extender
Fuel System -- Repair (I01)
2021 BMW i3 Range ExtenderSECTION Fuel System -- Repair (I01)
- 13 31 Fuel Delivery Pressure Check
- 13 53 Fuel Rail
- 13 54 Throttle Body
- 13 62 Sensors
- 13 62 531 Replacing coolant temperature sensor
- 13 62 615 Removing and installing/replacing pressure sensor on intake plenum
- 13 62 670 Removing and installing/replacing air temperature sensor in engine compartment
- 13 62 671 Removing and installing/replacing air temperature sensor on engine compartment fan
- 13 64 Fuel Injectors
- 13 71 Intake Silencer
- 13 90 EVAP Canister Purge Valve
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.