BMW F20 F30 F32 125i 325i 425i Petrol B48 224HP ECU DME 8692971 + FEM + Keys

BMW F20 F30 F32 125i 325i 425i Petrol B48 224HP ECU DME + FEM + Keys is a set from the Electronic control modules and controllers category, designed for B48 petrol units with 224 HP. The kit includes an ECU/DME engine controller along with a FEM module and matched keys, providing a coherent solution for advanced powertrain electronics repairs in modern BMW F-series models.

Specifications and technical data

• SKU: 8692971-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8692971
• Substitutable numbers: 12148692971, 8692971, 12148655734, 8655734, 12148681106, 8681106, 12148664546, 8664546, 12148676533, 8676533, 0261S18458, 0 261 S18 458, 61356824381, 6824381
• Fuel type: Petrol
• Category: ECUs & Computer Modules

Purpose and function of the ECU DME + FEM + keys set

This set is dedicated to B48 petrol engines in BMW F20, F30, and F32 models in 125i, 325i, and 425i versions. The kit combines the DME engine controller, the FEM body module, and paired keys, which facilitates the restoration of proper powertrain and security system operation after a failure of the original electronics.

This combination of components allows for consistent handling of functions related to engine starting, key authorization, communication with other vehicle controllers, and management of petrol engine operating parameters. As a result, the set is particularly useful when replacing a damaged ECU or performing advanced electronics repairs within the engine area.

Benefits of using a complete control set

Using a complete ECU DME package with a FEM module and keys offers a number of practical benefits:

• consistency of components within a single set, which facilitates integration with the vehicle's wiring,
• maintaining compatibility between the engine controller and the body module responsible for comfort and security functions,
• the ability to use matched keys in the start/stop system configuration process,
• reducing the risk of communication issues on the vehicle bus after replacing the electronics.

For workshops specializing in the BMW brand, such a set provides a convenient base for further configuration and adaptation to a specific vehicle, while maintaining high precision in the operation of the petrol engine control system.

Technical characteristics in the context of the B48 petrol unit

The B48 engine is a modern, turbocharged petrol unit in which the DME controller is responsible for precise management of fuel injection, ignition, boost, and cooperation with emission control systems. In the presented set, the controller is configured for the 224 HP variant, which is important when selecting electronics for a specific vehicle version.

The FEM module works with the DME, handling, among other things, vehicle access, starting, and communication functions with other controllers in the vehicle network. The presence of matched keys allows for maintaining the consistency of the immobilizer system and facilitates the adaptation process in the vehicle where the entire control group is being replaced.

Application in service practice

The ECU DME + FEM + keys set will prove useful in situations where the original engine controller has been damaged, communication problems have occurred within the powertrain electronics, or it is necessary to replace a larger part of the control system. The set is particularly useful for repairing vehicles after flooding, electrical surges, or other electronic damage.

Due to the used nature of the components, they represent a cost-effective solution for professional workshops and conscious users who are looking for original OEM parts while maintaining a reasonable budget. At the same time, high compatibility with the electrical architecture of BMW F-series models with a petrol engine is maintained.

Installation recommendations and selection by numbers

Before installation, it is recommended to verify the compatibility of the set with the specific vehicle, particularly in terms of engine version, model year, and equipment configuration. In service practice, it is helpful to match by OEM part number and available interchangeable numbers, as well as to compare hardware and software markings in the technical documentation.

For full safety of the powertrain operation, it is worth entrusting the installation and configuration of the set to a specialized service center that has the appropriate diagnostic software for adapting controllers in BMW vehicles.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional controllers, engine management modules, or auxiliary controllers, check the available parts in the BMW electronic control modules and controllers category.

You can find more practical tips on selecting and installing used engine controllers and other electronic modules in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.