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 DATAINSTALLING THE SAFETY BOX
2021 BMW i3 Range Extender
Installing the safety box
2021 BMW i3 Range ExtenderSECTION Installing the safety box
- Insert the safety box and tighten the nuts (3) with the special tool 2 357 541 .
TIGHTENING TORQUES SPECIFICATIONS
| Safety box to housing well | ||
|---|---|---|
| M6 | Tightening torque | 11.8 Nm |
- Connect connectors (1) and lock.
- Connect the connectors (2) for the isolation detector and lock.
- Connect the high-voltage connector (4) to the safety box and lock in place.
- Connect the connector of the heating for the high-voltage battery unit (1) and lock in place.
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.