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 DATAREAR BRAKES
2021 BMW i3 Range Extender
Rear brakes
2021 BMW i3 Range ExtenderSECTION Rear brakes
34 21 REAR BRAKES - TIGHTENING TORQUES SPECIFICATIONS
| Type | Thread | Tightening specifications | Dimension | |||
|---|---|---|---|---|---|---|
| 1AZ Brake disc to wheel hub | I01 / I12 | Replace screws | 16 Nm | |||
| 2AZ Brake anchor plate to wheel carrier | I01 / I12 | M12x1.5 | Replace screws | 110 Nm | ||
| 3AZ Protective plate to wheel carrier | I01 / I12 | M6 | Replace screws | 12 Nm | ||
| 4AZ Guide screw (socket head cap screw) | I01 | WAF 7 | 28 Nm | |||
| 5AZ Guide screw (hexagon screw) | I12 | WAF 13 | Replace screws | 35 Nm | ||
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.