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What is a non-SRS wiring repair? It is the repairing of an electrical component that is not part of the supplemental restraints system circuit (usually identified by yellow wire looms). As technology increases on vehicles, so does the number of components that utilize electricity. Many of the sensors and modules are becoming smarter and more sensitive. If the wire is too long, the wrong gauge, or spliced in the wrong location, it can cause malfunctions in the components that it’s powering. Many OEMs have different restrictions and guidelines for repairing wiring that does not control SRS components. On the other hand, there are OEMs that don’t allow wiring repairs at all, so full harness replacement is the only option.
BMW/Mini provides procedures and guidelines for wiring repairs that can be performed. To find this information, go to bmwtechinfo.com. Once logged in and your vehicle is selected in AIR:
- Click Repair Instructions (top of webpage)
- Click Unified Parts Group (left side of webpage)
- Click 61-General Vehicle Electrical System
- Click 61/13 Plug Connection, Terminal
Per the Notes On Handling Wiring Harness And Cables document:
- "48V cables are not to be repaired."
- "Shielded coaxial cables RTK031 may only be repaired with a special crimping tool."
Per the Connect A Cable To The Butt Connector document: "Lines are allowed to have only one repair area." This document also provides repair procedures for butt connectors and butt connectors with heat shrink tubing.
The 61/13 Plug Connection, Terminal area provides connector-specific depinning procedures, special tools for wiring harness repair, and other wiring related information.
It is important to read the service and repair manuals to make sure what repairs can be carried out and where, to achieve a complete, safe, and quality repair.
For additional BMW/Mini information, check out the following pages:
BMW OEM Information
Mini OEM Information
Additional I-CAR Collision Repair News you may find helpful:
- Collision Information Website Access: BMW/Mini
- Non-SRS Wiring Repairs
- Step-By-Step: Accessing BMW/Mini Repair Information