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... Diagnosis for Condition Based Service
Service function: Reset CBS Condition Based Service
A maintenance scope can be reset with the "Reset CBS Condition Based Service" service function.
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.
Service function: CBS Correction Vehicle Data
Once this service function has been executed, it is no longer possible to reconstruct the previous status.
The "CBS Correction Vehicle Data" service function is available if a reset has been carried out erroneously. In this way, the availability of a maintenance scope can be corrected to a realistic value.
A data or a mileage/kilometer reading is entered for correction. These data are converted internally into an availability in %. In so doing, the BMW diagnosis system only accepts a smaller value as the current reading in the control unit. In addition, the service counter of the scope is automatically reduced by one counter.
The inputs are used in the Service Booklet to determine the realistic availability. A realistic availability can be reconstructed on a scope-specific basis by means of the last maintenance measure (with mileage/km reading and date).
This does not include correcting the availability for brake pads. The brake pad residual thickness must be measured and input (in millimeters).
For a correction, the availability is referred to the distance- and time-dependent calculation.
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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.