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 DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATIONGENERAL ORPHAN DATAINSTALL ENGINE COMPARTMENT FAN
2021 BMW i3 Range Extender
Install engine compartment fan
2021 BMW i3 Range ExtenderSECTION Install engine compartment fan
- When replacing the engine compartment fan: Remount the temperature sensor (1).
- Unclip temperature sensor (1) from the engine compartment fan.
- Check the temperature sensor for damage and, if necessary, replace it.
- Clip in temperature sensor on the engine compartment fan.
- Install engine compartment fan (2).
- Tighten the screws (1).
TIGHTENING TORQUES SPECIFICATIONS
| Engine room ventilator on deformation element | ||
|---|---|---|
| M8 screw | Tightening torque | 12 Nm |
- Tighten down screw (3).
TIGHTENING TORQUES SPECIFICATIONS
| Engine room ventilator on vertical strut | ||
|---|---|---|
| Screw M6 | Tightening torque | 8 Nm |
- Connect the connector (2) on the temperature sensor and clip in the cable on the fan cowl.
- Connect connector (1).
- Install the sound insulation (2).
- Tighten the screws (1).
TIGHTENING TORQUES SPECIFICATIONS
| Sound insulation to engine compartment | ||
|---|---|---|
| screw | Tightening torque | 2.6 Nm |
- Install engine compartment fan (2).
- Tighten the screws (1).
TIGHTENING TORQUES SPECIFICATIONS
| Engine room ventilator on deformation element | ||
|---|---|---|
| M8 screw | Tightening torque | 12 Nm |
- Tighten down screw (3).
- Connect connector (2) on the temperature sensor and clip in cable on the fan cowl.
- Connect connector (1) for the engine compartment fan.
TIGHTENING TORQUES SPECIFICATIONS
| Engine room ventilator on vertical strut | ||
|---|---|---|
| Screw M6 | Tightening torque | 8 Nm |
- Install the sound insulation (2).
- Tighten the screws (1).
Reading out the fault memory
- Connect diagnostic system.
Check
- Read out fault memory.
Result
» A fault memory entry is present.
Measure
- Delete the fault memory, work through the test module if applicable.
RENDER: 1.0x
NO RELATED
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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.