BMW 3 Owners & Service Manuals

BMW 3: Maintenance

BMW maintenance system

The maintenance system indicates required maintenance measures, and thereby provides support in maintaining road safety and the operational reliability of the vehicle.

In some cases, scopes and intervals of the maintenance system may vary according to the country version. Replacement work, spare parts, fuels and lubricants, and wear materials are calculated separately. Further information is available from a dealer's service center or another qualified service center or repair shop.

Condition Based Service CBS

Concept

Sensors and special algorithms take into account the driving conditions of the vehicle. CBS uses these to calculate the need for maintenance.

The system makes it possible to adapt the amount of maintenance corresponding to your user profile.

General information

Information on service requirements can be displayed on the Control Display.

Service data in the vehicle key

Information on the required maintenance is continuously stored in the vehicle key. The service center can read this data out and suggest a maintenance scope for the vehicle.

Therefore, hand the service advisor the vehicle key with which the vehicle was driven most recently.

Storage periods

Storage periods during which the vehicle battery was disconnected are not taken into account.

If this occurs, have a dealer's service center or another qualified service center or repair shop update the time-dependent maintenance procedures, such as checking brake fluid and, if necessary, changing the engine oil and the microfilter/ activated-charcoal filter.

Service and Warranty Information Booklet for US models and Warranty and Service Guide Booklet for Canadian models

Please consult your Service and Warranty Information Booklet for US models and Warranty and Service Guide Booklet for Canadian models for additional information on service requirements.

The manufacturer of your vehicle recommends that maintenance and repair be performed by a service center or another qualified service center or repair shop. Records of regular maintenance and repair work should be retained.

Socket for OBD Onboard Diagnosis

General information

Devices connected to the OBD socket trigger the alarm system when the vehicle is locked. Remove any devices connected at the OBD socket before locking the vehicle.

Safety information

NOTICE The socket for Onboard Diagnosis is an intricate component intended to be used in conjunction with specialized equipment to check the vehicle's primary emissions system. Improper use of the socket for Onboard Diagnosis, or contact with the socket for Onboard Diagnosis for other than its intended purpose, can cause vehicle malfunctions and creates risks of personal and property damage. Given the foregoing, the manufacture of your vehicle strongly recommends that access to the socket for Onboard Diagnosis be limited to a dealer's service center or another qualified service center or repair shop or other persons that have the specialized training and equipment for purposes of properly utilizing the socket for Onboard Diagnosis.

Position

Maintenance

There is an OBD socket on the driver's side for checking the primary components in the vehicle's emissions.

Emissions

  • The warning light lights up: Emissions are deteriorating. Have the vehicle checked as soon as possible.
  • The warning light flashes under certain circumstances: This indicates that there is excessive misfiring in the engine.

    Reduce the vehicle speed and have the system checked immediately; otherwise, serious engine misfiring within a brief period can seriously damage emission control components, in particular the catalytic converter.

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     Replacing components

     Vehicle tool kit

    The onboard vehicle tool kit is located in the left storage compartment of the cargo area under a cover. Wiper blades Safety information NOTICE The window may sustain damage if the wiper falls onto i

     Vehicle battery

    General information The battery is maintenance-free. More information about the battery can be requested from a dealer's service center or another qualified service center or repair shop. Safety info

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     Service and warranty

    We recommend that you read this publication thoroughly. Your vehicle is covered by the following warranties: New Vehicle Limited Warranty. Rust Perforation Limited Warranty. Federal Emissions System Defect Warranty. Federal Emissions Performance Warranty. California Emission Control System Lim

     Displays and operation

    The function does not have any separate display or operating elements. The function is only available in the HYBRID ECO PRO driving mode. The function cannot be deactivated. Recuperation is displayed as usual in the instrument cluster below the drive-ready state indicator (CHARGE area).

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