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.
Service function: Reset CBS Condition Based Service
A maintenance scope can be reset with the "Reset CBS Condition Based Service" service function. Even when availability is over 80 %.
The benefit of reset via the BMW diagnosis system is that the on-board date is corrected automatically.
The individual maintenance scopes are displayed in the BMW diagnosis system with service counter and availability.
- The service counter is reset by one counter on resetting. All service counters are set to "1" on new vehicles.
The service counters are used in the Service Acceptance/Reception Module (SAM) on a scope-specific basis for controlling additional work.
- Availability is set to 100 % on resetting. Availability in % is the wear value of the maintenance scope.
The greater the availability, the longer it is to the next maintenance scope.
0 % means that the maintenance measure must be carried out.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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