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.
Handling cables and optical fibers
2021 BMW i3 Range ExtenderSECTION Handling cables and optical fibers
Special tools required:
- 61 4 320
- 61 0 200
NOTE:
Special tools referred to in the repair instructions below are contained in the following special tool sets:
| Repair product range for vehicle electrical system | SI 2 04 07 341 |
| Crimping kit with pliers for optical fibers, Micro Power Quadlock (MPQ), Micro Quadlock System (MQS) contacts and universal crimping head | 61 4 320 61 0 200 |
Subject of repair instructions
- SPECIAL TOOLS FOR WIRING HARNESS REPAIRS .
- CUTTING CABLES TO LENGTH AND STRIPPING OFF INSULATION .
- Crimping stop parts (contacts). Refer to CUTTING TO LENGTH AND STRIP OFF INSULATION FROM CABLES .
- BUTT CONNECTOR FOR REPAIRING A PLUG CONNECTION .
- COMB CONNECTOR FOR RETROFITTING/REPAIRS .
- CUTTING TO LENGTH AND STRIPPING OFF INSULATION FROM OPTICAL FIBERS .
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.