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.
61 12 013 Replacing negative battery lead
2021 BMW i3 Range ExtenderSECTION 61 12 013 Replacing negative battery lead
WARNING:
High-voltage system - mortal hazard!
The following points must be strictly observed prior to starting work:
DE-ENERGIZE THE HIGH-VOLTAGE SYSTEM
Observe SAFETY INSTRUCTIONS ON HANDLING HYBRID OR ELECTRIC VEHICLES
The following points must be strictly observed prior to starting work:
DE-ENERGIZE THE HIGH-VOLTAGE SYSTEM
Observe SAFETY INSTRUCTIONS ON HANDLING HYBRID OR ELECTRIC VEHICLES
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.