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 00... Notes on handling wiring harnesses and cables
The following applies in general:
To avoid damage, observe the following instructions:
- Avoid compressive and tensile loads
- To ensure professional repairs, perform repair work only with BMW-approved or recommended special tools and spare parts
- Make sure cables are laid without kinks or abrasions
- Ensure non-contacting routing at sharp-edged body parts; use edge protection if necessary
- Secure additionally laid cables/leads with cable ties
The following additionally applies
Shielded cables
Joins in the shield can cause problems with regard to noise radiation and interference immunity. Consequently, distinctions have to be drawn between the following types:
Coaxial cable
- Shielded RTK031 coaxial lines may only be repaired using special crimping tools.
CVBS cables
- CVBS cables may not be repaired.
- CVBS cables must be replaced in their entirety.
HSD cables
- HSD cables may not be repaired.
- HSD cables must be replaced in their entirety.
Fibre-optic cables:
- Green = MOST (M edia O riented S ystems T ransport) optical fibre
- Yellow = ISIS (I ntelligent S afety I ntegration S ystem) optical fibres
- Orange=repair fibre-optic cables
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.