BMW Z4 E89 Roadster Control Unit EMF Rear Wheel Brake Module 6794260

BMW Z4 E89 Roadster Control Unit EMF Rear Wheel Brake Module is a specialized component from the Electronic control modules and controllers group, responsible for precise management of the rear parking brake operation in this model. The original BMW design ensures proper cooperation with the vehicle's electrical system and stable operating parameters of the braking system.

Specifications and technical data

• SKU: 6862244
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6862244
• Substitutable numbers: 34436862244, 6862244, 34436856602, 6856602, 34436794260, 6794260, 34436791428, 6791428, 34436855696, 6855696, 34436792626, 6792626, 32620203, 00033761
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Purpose and function of the EMF module

The presented module is dedicated to the rear of the vehicle and works with the electric parking brake in the BMW Z4 E89 Roadster. Its task is to control the brake engagement force, monitor the release process, and communicate with other vehicle systems, such as the ABS/DSC system or the central unit. Thanks to this, the braking system maintains repeatable operating characteristics, and the response to signals from the driver's cabin remains predictable and consistent.

Benefits of using an original BMW module

Using an original module from the Electronic control modules and controllers group allows you to maintain the factory logic of the parking brake and reduce the risk of communication errors in the vehicle's bus. The module is designed for the specific software and electrical architecture of the BMW Z4 E89, which facilitates integration with the existing installation and diagnostics using factory service tools. Choosing a used, functional OEM component is a solution that allows you to combine cost control with maintaining the proper operating parameters of the braking system. This is particularly important for vehicles equipped with advanced electronics, where hardware and software compatibility is crucial for reliability.

Vehicle placement and installation aspects

The EMF module is designed for installation in the rear of the vehicle, in the immediate vicinity of the braking system components. Such placement shortens the signal path to the parking brake actuators and limits losses in the wiring, which translates into more stable operation of the entire system. When replacing, it is recommended to:

• maintain the correct sequence of disconnecting and connecting electrical connectors,
• perform adaptation or reset of parameters in the vehicle's controllers (in accordance with the service procedure),
• check the correct operation of the parking brake after installation, including the response to engaging and releasing, as well as any messages on the dashboard.

Selection, diagnostics, and compatibility

To correctly select the EMF module for a specific BMW Z4 E89 Roadster configuration, it is worth using the OEM number or vehicle data, such as the VIN. This allows you to verify hardware and software compatibility, as well as avoid communication problems in the controller network. If you have any doubts regarding compatibility or the installation procedure, a practical guide on our blog will be helpful: Used automotive electronics – how to safely select second-hand modules and sensors.

Expansion of the control system in BMW

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other components from the same group, such as ABS controllers, traction control modules, or parking brake management units, check the available parts in the BMW electronic control modules and controllers category.