BMW E60 E81 E82 E87 E90 E91 E92 X5 E70 Radio Remote Alarm Key Fob Button 868 MHz

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E60 E81 E82 E87 E90 E91 E92 X5 E70 Radio Remote Alarm Key Fob Button 868 MHz is an original component from the Switches, controls and ignition locks group, designed for BMW vehicles. Operating on the 868 MHz band, it is suitable for use in modern central locking and immobilizer remote control systems, providing a solid foundation for repairing or restoring the functionality of a factory remote key.

Specifications and technical data

• SKU: 6986585-5
• Mark: BMW (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: 6986585
• Substitutable numbers: 66126986585, 6986585, 661203922106612041369266126954810, 039221004136926954810, 6612039773366126945831, 03977336945831, 66120413692, 0413692, 66120397733, 0397733, 66120392210, 0392210, 66126954810, 6954810, 66126945831, 6945831
• Category: Switches & Controls

Application and vehicle function

The presented remote key fob is intended for selected BMW 1, 3, 5 series and X5 E-generation models that utilize an 868 MHz standard remote control system. As an electronic component integrated with the ignition system, it is responsible for functions such as locking and unlocking doors, and depending on the vehicle configuration, also for ignition activation once the transponder is recognized by the vehicle.

Due to the specific nature of BMW comfort systems, the correct selection of the remote key based on frequency and vehicle generation is crucial for proper interaction with body and security modules. This transmitter can be used as a donor for the housing, electronics, or individual components in the process of repairing an existing key.

Technical characteristics and integration with the control system

The key fob operating on the 868 MHz band is designed to work with factory BMW comfort modules that use this frequency for radio communication. The appropriate internal architecture of the remote allows for integration with the central locking system, alarm, and immobilizer, while maintaining the transmission parameters required by the vehicle manufacturer.

As an element from the Switches, controls and ignition locks group, the transmitter is part of a larger vehicle control system, where it interacts with the steering column, ignition lock, electronic modules, and the electrical installation. Proper matching of the component to a specific car configuration allows for maintaining the integrity of the security and comfort systems.

Condition, purpose and potential service applications

The item is offered in For parts or not working condition, which means it should be treated primarily as a source of parts for repairing or reconstructing an existing key. It can be used for:

• obtaining a housing or buttons,
• replacing selected electronic components,
• comparative analysis during remote control system diagnostics.

Due to the nature of the product, before intended use in a specific vehicle, verification of compatibility and consultation with a specialized service center dealing with automotive electronics and key programming is recommended.

Selection support and operational safety

Working with used control and security system components requires special caution, especially in the context of vehicle safety and the proper operation of comfort systems. When planning repairs or replacing components related to body electronics, it is worth using diagnostic procedures and proven installation and programming methods.

If you want to better understand the principles of safely selecting used components in critical vehicle systems, an article describing a practical approach to purchasing parts from the secondary market may be helpful – you can find it here: Second-hand brake system: how to safely select discs, calipers and ABS?.

Expanding work within BMW control systems

If you are planning a comprehensive repair or upgrade of the control and security area in your BMW and need other elements from the same group, such as ignition locks, steering column switches, or control modules, check the available parts in the BMW Switches, controls and ignition locks category.