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 DATAWHEEL BEARINGS
2021 BMW i3 Range Extender
Wheel Bearings
2021 BMW i3 Range ExtenderSECTION Wheel Bearings
33 41 WHEEL BEARINGS - TIGHTENING TORQUES SPECIFICATIONS
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Drive flange hub to output shaft | I01 | M16 | Replace screw. | |
| Tightening torque | 50 Nm | |||
| Angle of rotation | 155° | |||
| 2AZ Wheel bearing to wheel carrier NB: Pay attention to the allocation of wheel bearing screws. |
I01 | M12x1.5 | Replace screws. | |
| Tightening torque | 80 Nm | |||
| Angle of rotation | 90° | |||
| M12x1.25 | Replace screws. | |||
| Tightening torque | 120 Nm | |||
| Angle of rotation | 90° | |||
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.