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 DATAGROUND CABLE
2021 BMW i3 Range Extender
Ground cable
2021 BMW i3 Range ExtenderSECTION Ground cable
12 42 GROUND CABLE - TIGHTENING TORQUES SPECIFICATIONS
| Type | Thread | Tightening specifications | Dimension | |||
|---|---|---|---|---|---|---|
| 1AZ Holder, negative supply line | I01 | M8 | 15 Nm | |||
| 2AZ High-voltage safety ground between EME and electrical machine | I01 | M6 | 8 Nm | |||
| 3AZ High-voltage safety ground to engine mounting bracket | I01 | M6x16 | 11.8 Nm | |||
| 4AZ Ground cable to electrical machine electronics (EME) | I01 | M6 | 8 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.