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.
Condition Based Service
Condition Based Service (CBS), as the name suggests, is a means of ensuring that the car is serviced as and when necessary. CBS has been in use in the field of service since the launch of the E65. CBS is a landmark in the increasingly close communication and networking between vehicles and Service.
The vehicle-specific scope of service required is registered automatically. In conjunction with TeleService, an automatic Service call can be placed, notifying the home dealership that Service is due.
The instrument cluster calculates when a service interval is due. When terminal 15 is switched ON, the "Next Service" indicator appears in the LCD display (remaining visible for 6 seconds). The countdown distance or the countdown time is also shown.
More information on CBS can be called up at the same time on the central information display (CID).
The service interval can be reset by means of the reset button in the instrument cluster (press and hold down for longer than 5 seconds). The target date for the vehicle inspection and emissions test can only be entered in the CID via the controller.
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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.