BMW F10 F11 F12 X3 F25 Electric Parking Brake Control Unit EMF Module 6862808

BMW F10 F11 F12 X3 F25 Electric Parking Brake Control Unit EMF Module is an original BMW component designed to work with the electric parking brake in selected 5 Series, 6 Series, and X3 models. This used control unit allows for a technically correct repair of the system, maintaining factory operating logic and communication with other vehicle systems.

Specifications and technical data

• SKU: 6862808
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6863277
• Substitutable numbers: 34436887358, 6887358, 34436862808, 6862808, 34436850955, 6850955, 34436850846, 6850846, 34436878144, 6878144, 34436858017, 6858017, 34436854856, 6854856, 34436799083, 6799083, 34436794426, 6794426, 34436863800, 6863800, 34436798113, 6798113, 34436797227, 6797227, 34436796295, 34436863277, 6863277
• Category: Other Starters, Alternators, ECUs & Wiring

Function and application of the parking brake control unit

The presented module is responsible for the electronic control of the parking brake, integrating signals from the cabin button, sensors, and the braking system. In BMW F10, F11, F12, and X3 F25 vehicles, it plays a key role in safely engaging and releasing the parking brake, while communicating with the vehicle's data bus.

By using an original control unit, proper communication with other control units is maintained, which reduces the risk of system errors, dashboard warning messages, and diagnostic issues. This solution is particularly important for safety system repairs where compliance with the factory configuration is required.

Benefits of using an original BMW module

Choosing an original parking brake control unit ensures:

• Factory compatibility with the vehicle's electrical and braking system, without the need for wiring modifications or software changes beyond standard service adaptation.
• Consistency with driver assistance systems, such as hill-start assist functions or automatic parking brake engagement after ignition switch-off (if provided in the specific vehicle configuration).
• Easier diagnostics using factory service tools, which speeds up the repair process and reduces vehicle downtime.

For workshops specializing in the BMW brand, using such a module also means greater predictability of the repair outcome and a lower risk of complaints related to the improper operation of the electric parking brake.

Product condition and installation aspects

The offered module is a used component, which allows for an economical repair while maintaining original build quality. Before installation, a standard diagnostic procedure is recommended, as well as control unit adaptation according to the vehicle manufacturer's guidelines if necessary.

Due to the nature of the braking system, installation should be performed by a qualified service center, adhering to safety procedures and verifying correct operation after installation. A properly selected and installed control unit restores full functionality of the electric parking brake without the need for interference with the mechanics of the calipers or brake lines.

Compatibility and replacement numbers

The module has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification in BMW catalogs and service systems. Before purchasing, it is worth comparing the markings with the currently installed component or verifying compatibility by VIN in a professional parts catalog to ensure the control unit is suitable for the specific vehicle configuration.

Thanks to the presence of reference numbers, it is possible to match the module to different equipment versions within the indicated BMW generations, which increases flexibility in workshop practice.

Brake system expansion and technical knowledge

If you are planning a comprehensive repair or upgrade of the braking area in your BMW and need other components from the same group, such as discs, pads, or brake lines, check out the available parts in the Other BMW category.

For a comparison of solutions used in sports designs of other brands, including advanced braking and chassis systems, it is worth reading the analysis of differences between high-performance and standard versions – this is discussed in detail in the article Audi RS vs other models – what is hidden under the hood and chassis?.

If you are working on refreshing an older BMW from years similar to the F10 or X3 F25 and want to better utilize the potential of used components, you will find practical tips on selection and upgrades in the guide The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 era.