BMW F30 F31 320i Petrol N20 184HP Engine ECU Kit DME 8617551 FEM Key Manual

The DME Engine Control Unit Kit with FEM Module and Key for BMW F30/F31 320i N20 is a practical solution for workshops and users who need a tested engine electronics set for a gasoline unit. The kit is designed for cars with a manual transmission, which simplifies part selection during repairs or replacements. By maintaining the consistency of components within a single kit, you minimize the risk of startup and inter-module communication issues.

Specifications and technical data

• SKU: 8617551-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8617551
• Substitutable numbers: 12148664661, 8664661, 12148617551, 8617551, 12148626172, 8626172, 12148624820, 8624820, 12148639595, 8639595, 12148610635, 8610635, 12148631725, 8631725, 0261S09709, 0 261 S09 709, 61359324784, 9324784
• Fuel type: Petrol
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose of the ECU DME FEM Kit for BMW 320i N20

The presented kit is dedicated to BMW 3 Series F30/F31 320i models with the N20 gasoline engine producing 184 HP and a manual gearbox. It includes the DME engine control unit along with the FEM body module and a matched key, allowing for the preservation of the immobilizer system's integrity and comfortable transfer of electronics between vehicles.

A kit configured in this way is particularly useful for:

• replacing a damaged engine control unit after an electrical failure or flooding,
• swapping complete engine electronics between vehicles with similar configurations,
• diagnosing DME–FEM communication issues in specialized BMW service centers.

Benefits of Using an Original BMW Control Module

An original module from the Electronic Control Units and Controllers group ensures compatibility with BMW's factory electrical architecture. Using a complete DME + FEM + Key set reduces the need for extensive reprogramming from scratch and allows focus on adaptation to the specific car. This solution is particularly valued by workshops specializing in the BMW brand, where repeatable results and system stability are crucial.

An additional advantage is the preservation of the original N20 engine control logic, which translates to:

• proper management of gasoline unit operating parameters,
• consistent operation of onboard systems related to the DME,
• easier diagnostics using factory service tools.

Technical Characteristics – Gasoline Engine and Manual Transmission

The kit is configured for the N20 gasoline engine, which is crucial for control unit selection – injection maps, ignition, and protection strategies are adapted to the characteristics of the 184 HP 320i unit. The kit is compatible with a manual transmission, making it the right choice for cars without an automatic gearbox, where the torque control logic and driver assistance functions differ from automatic versions.

Thanks to this solution, you can maintain the factory driving feel while restoring full vehicle functionality after a major drivetrain electronics failure.

Condition, Verification, and Practical Service Application

The component comes from the secondary market, making it an attractive cost-effective alternative to new parts. A used ECU DME kit with FEM and key allows for economical repair while maintaining original BMW specifications. Before installation, a standard diagnostic procedure and configuration adjustment to the specific vehicle, in accordance with service practice, are recommended.

If you want to better understand how original electronic modules influence the character of a premium car, it's worth reading the article on our blog: how used modules and components help preserve the character of premium brands. This provides valuable knowledge when planning repairs and upgrades of electronics in modern cars.