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 DATAHOUSING COVER
2021 BMW i3 Range Extender
Housing cover
2021 BMW i3 Range ExtenderSECTION Housing cover
11 14 HOUSING COVER - TIGHTENING TORQUES SPECIFICATIONS
| Type | Thread | Tightening specifications | Dimension | |||
|---|---|---|---|---|---|---|
| 1AZ Control drive cover to engine block | W20 | M6x25 | 10 Nm | |||
| 2AZ Control drive cover to engine block | W20 | M6x30 | 10 Nm | |||
| 3AZ Alternator cover to engine block | W20 | M6x20 | 10 Nm | |||
| 4AZ Alternator cover to engine block | W20 | M6x25 | 10 Nm | |||
| 5AZ Screw plug, control drive cover | W20 | M16x1.5 | Replace the sealing ring. | 28 Nm | ||
| 6AZ Screw plug, crankshaft | W20 | Replace the sealing ring. | 25 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.