BMW F45 X1 F48 X2 F39 X5 F15 Radio Remote Control Key Fob Button Switch 5A56079

Used key – requires programming

The key requires programming (coding) by a specialist to be fully functional.

BMW F45 X1 F48 X2 F39 X5 F15 Radio Remote Control Key Fob Button Switch is an item from the Switches, control elements and ignition locks category, designed for the remote locking and comfort function system in selected BMW models. The product is offered in "for parts or not working" condition, making it a solution for those looking for a donor for components, housing, or buttons for their own repairs and service projects.

Specifications and technical data

• SKU: 5A56079-1
• Mark: BMW (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: 5A56079
• Substitutable numbers: 5A56079, 66125A56079
• Category: Switches & Controls

Purpose and function in the vehicle

The presented remote control key fob is part of the central locking and comfort function control system in BMW F-series vehicles, such as the F45, X1 F48, X2 F39, or X5 F15. As an item in the Switches, control elements and ignition locks category, it is responsible for transmitting signals to the vehicle's electronic modules via integrated buttons and the remote's electronics.

Due to its "for parts or not working" condition, the product can be used primarily as:

• a donor for the housing or buttons for an existing, functional remote,
• a base for repair or regeneration in a specialized automotive electronics service,
• training or test material for diagnosing BMW remote control systems.

Service application and purchase benefits

Purchasing this non-functional remote control key fob is beneficial for workshops and hobbyists who:

• are looking for a compatible housing or buttons to transfer their own electronics,
• want to reduce repair costs by using a used remote body,
• need a reference element to match the shape, mounts, or button layout.

Thanks to the preservation of the original geometry and button layout, such an element allows for precise fitting to the steering column, ignition lock, or key slot (depending on the vehicle's equipment version), as well as maintaining consistent interior aesthetics.

Technical aspects and compatibility

The remote control key fob belongs to the original BMW product line, which means it complies with factory manufacturing and construction standards. It has a dedicated OEM part number and associated interchangeable numbers, allowing it to be precisely verified in the manufacturer's catalogs or professional parts selection systems.

Before purchasing, it is recommended to:

• compare the shape of the housing and the button layout with your current remote,
• verify the OEM part number and interchangeable numbers in the service documentation,
• consult an automotive electrician or a BMW service center in case of planned electronics repair.

This selection method minimizes the risk of incompatibility and facilitates the effective use of the item as a parts donor.

Product condition and usage recommendations

The offered remote control key fob is classified as for parts or not working, which in practice means it should not be treated as a ready-to-use, fully functional replacement. The most typical applications are:

• obtaining buttons or housing fragments in better visual condition than those in the currently used remote,
• using the printed circuit board or mechanical components for diagnostic purposes,
• regeneration at a specialized service center that can assess the possibility of restoring functionality.

This purchasing model is particularly attractive for users who consciously manage vehicle operating costs and for workshops dealing with the repair of BMW electronics.

Control system expansion and related content

If you are planning a comprehensive repair or upgrade of the control and security zone in your BMW and need other items from the same group, such as remote buttons, ignition lock inserts, or control modules, check out the available parts in the BMW Switches, control elements and ignition locks category.

For a comparison of approaches to purchasing used premium components, it is worth reading an article describing how choosing original dismantled parts affects service costs and the comfort of using high-end vehicles – details can be found in the material Used parts for Mercedes – original parts from dismantling.

If you are interested in the broader economic and environmental context of using used components, including control elements and interior equipment, a guide on a sustainable approach to vehicle repairs may also be helpful, available in the article Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.