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.
Control Module Testing
2006 BMW 760LiSECTION Control Module Testing
- Next you are instructed to attach the MOST control unit cable P/N 663 122 (2) and the MOST test loop P/N 663 124 (4).
This is a crucial step and must not be ignored. Failure to complete this step will result in incorrect readings and results.
- Remove the test loop
- Remove the SVS harness from the module
- Remove the fiber optical insert (4) from the SVS harness plug.
- Insert the free end of the MOST CM cable P/N 663 122 (5) into the SVS harness plug and plug the assembly into the SVS module.
- Follow the DISplus/GT1 test module instructions.
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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.