BMW F30 F31 320i B48 ECU Kit Engine Control Unit DME 8676533 Keys FEM Manual

BMW F30 F31 320i B48 ECU Kit Engine Control Unit DME Keys FEM Manual is a complete engine control kit designed for BMW 3 Series F30/F31 models with the B48 engine and manual transmission. The kit includes the DME engine control unit along with the FEM module and matched keys, which facilitates the transfer of the entire control system to another vehicle. This solution allows for an efficient, technically consistent replacement of engine electronics in BMW cars.

Specifications and technical data

• SKU: 8676533-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8676533
• Substitutable numbers: 8676533, 12148676533, 8692971, 12148692971, 8655734, 12148655734, 8681106, 12148681106, 8664546, 12148664546, 0261S16779, 0 261 S16 779, 61356825541, 6825541
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and compatibility

The presented ECU kit has been prepared for BMW 3 Series F30/F31 320i with the B48 engine, equipped with a manual transmission. Integrating the DME controller, FEM module, and keys allows for maintaining the consistency of the immobilizer system and powertrain electronics, which is particularly important when replacing the entire control set within the same type of power unit.

Such a solution is beneficial for repairs following electronic damage, drivetrain swaps, or restoring full vehicle functionality after an engine controller failure. The manual configuration of the kit makes it dedicated to cars with a classic gearbox, without the need for adaptation for an automatic transmission.

Kit construction and the role of individual components

The kit includes the DME engine controller responsible for managing the B48 unit's operation, the FEM module handling comfort and security functions, and matched keys that work with this system. As a result, the user receives a consistent package of elements that have already been synchronized at the vehicle electronics level.

This combination of components:

• facilitates engine startup after installation in a different chassis or after replacing a damaged controller,
• minimizes the risk of conflicts between the immobilizer and the engine controller,
• speeds up workshop tasks by limiting the need for time-consuming programming from scratch.

Application in BMW diagnostics and repairs

The ECU kit with DME, FEM, and keys is particularly useful in specialized workshops dealing with BMW electronics. It allows for:

• comprehensive replacement of a damaged engine control system in F30/F31 320i B48 models,
• restoration of full functionality of the vehicle's start and security system,
• testing engine configuration and accessories based on the original control kit.

Thanks to the fact that it is an item from the Electronic control modules and controllers group, the kit can be used both for standard repairs and for more advanced projects related to swaps or vehicle reconstruction after more serious damage.

Characteristics of the used product

The offered kit comes from dismantling and is a used product, which allows for an economical restoration of vehicle efficiency while maintaining the original BMW electronic architecture. This type of solution is often chosen by workshops and users who want to maintain the consistency of factory systems while optimizing repair costs.

Before installation, it is recommended to perform a standard verification of the vehicle configuration compatibility and to carry out adaptation and diagnostics using appropriate service software to ensure proper cooperation of all modules in the specific car unit.

Expanding the control system in BMW

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

For a comparison of how premium manufacturers approach original electronic components and ways to maintain the brand's character, it is worth reading the article on our blog: Audi and emotions in their purest form – how used parts help maintain the brand's DNA. It allows you to better understand why using original control modules is also important in the case of BMW.