BMW E87 E90 E92 Radio Remote Control Alarm Key Fob Button Switch 315 MHz JAPAN

BMW E87 E90 E92 Radio Remote Control Alarm Key Fob Button Switch 315 MHz JAPAN is an original component from the Car keys and remote controls group, designed to work with the factory BMW central locking and alarm system. It allows for convenient control of locks and security features via the buttons on the housing, ensuring consistency with the vehicle's electronics and maintaining factory functionality.

Specifications and technical data

• SKU: 6986583-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6986583
• Substitutable numbers: 6986583, 66126986583, 6945829, 66126945829, 0397731, 66120397731, 0392209, 66120392209, 6954808, 66126954808, 0413690, 66120413690
• Category: Car Keys, Fobs & Remotes

Purpose and function of the BMW remote control

The presented radio remote control is designed for BMW E87, E90, and E92 series models, operating at a frequency of 315 MHz in the Japanese market specification. This component is responsible for remote control of door locks, the trunk lid, and the activation/deactivation of the factory alarm, working in conjunction with the original comfort module and the vehicle's security system.

Thanks to its integration with the car's electronics, the remote control allows for consistent operation of all comfort functions without the need for additional, external controllers. This solution is particularly beneficial when replacing a damaged remote or expanding an existing set of keys.

Design, ergonomics, and operation

The remote control housing has been designed for daily use – the buttons are clearly separated, which facilitates intuitive operation without looking at the key. The button layout allows for quick access to the most frequently used functions, such as locking and unlocking the vehicle or controlling the alarm.

The internal radio module operates on a dedicated frequency, matched to the system used in BMW vehicles intended for the Japanese market. As a result, the remote control can be properly matched and programmed to a specific vehicle, maintaining stable communication with the control unit.

Benefits of using an original remote control

Using an original BMW remote control instead of a replacement allows for full compatibility with the vehicle's electronics and reduces the risk of range or pairing issues with the car. The factory design is engineered for a specific model platform, which translates into predictable performance and proper cooperation with the alarm system.

Choosing a used, original component is also a cost-effective solution – it allows you to restore remote control functionality while maintaining the high quality of workmanship typical of BMW. Consistency with the factory security system also facilitates potential future diagnostics, as all components remain within the manufacturer's standard.

Condition and installation aspects

The item comes from disassembly and is offered as a used part, which in practice means signs of normal wear and tear typical for electronic components of this type. Before installation in a specific vehicle, it is necessary to match and properly program the remote control to the comfort controller and immobilizer system in accordance with BMW service procedures.

It is recommended to perform the adaptation at a specialized service center or with an automotive electrician who has the appropriate diagnostic equipment. This ensures the remote is correctly assigned to the vehicle, maintains all alarm functions, and avoids issues with the security system recognizing the key.

System expansion and additional materials

If you are planning a comprehensive repair or upgrade of the security and comfort zone in your BMW and need other elements from the same group, such as additional remotes, key housings, or lock control modules, check the available parts in the BMW car keys and remote controls category.

For users interested in a broader understanding of how systems responsible for vehicle handling and cooperation with comfort electronics work, an article describing the construction and diagnostics of the steering and power steering system may be helpful – you can find it here: Steering and power steering system – how does it work and what breaks?.