BMW E90 E91 LCI E92 E93 325i N53 218HP ECU Kit DME CAS3 + Key 7612455 Manual

BMW E90 E91 LCI E92 E93 325i N53 218HP ECU Kit DME CAS3 + Key 7612455 Manual is a complete control kit designed for BMW 3 Series models with the N53 engine producing 218 HP, equipped with a manual transmission. The kit includes the DME module, the CAS3 module, and a matched key, facilitating the restoration of efficient engine electronics and the authorization system. This solution allows for a cohesive replacement of key control elements without the need for tedious programming from scratch.

Specifications and technical data

• SKU: 7612455-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7612455
• Substitutable numbers: 12147616431, 7616431, 12147612455, 7612455, 5WK93750, 9237047, 61359237047
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose of the ECU DME CAS3 + Key Kit

The ECU kit is dedicated to BMW 3 Series vehicles of the E90, E91 LCI, E92, and E93 generation with the N53 325i unit producing 218 HP and a manual gearbox. The combination of the DME engine control unit with the CAS3 module and key ensures the consistency of the immobilizer system, significantly simplifying the installation and configuration process in the car.

A set configured in this way allows for a technically correct replacement of a damaged engine control unit or the start comfort module, minimizing the risk of problems with starting, key authorization, or vehicle bus communication.

Category: Electronic Control Modules and Units

The product belongs to the category Electronic Control Modules and Units, meaning it is responsible for critical functions of engine management and start authorization. The DME + CAS3 + key kit works with the vehicle's electronic network, coordinating, among other things, the engine start process, communication with other control units, and anti-theft protection.

Because the components come from a single set, the user receives a cohesive electronic system that, after correct installation and adaptation, can restore the full functionality of the engine control system in a given BMW instance.

Benefits of Using a Complete ECU Kit

Using the complete ECU DME CAS3 + Key kit in the BMW 325i N53 offers a range of practical benefits:

• Consistency of the engine control unit, CAS3 module, and key in one set,
• Reduction of problems with immobilizer matching and start authorization,
• Simplification of workshop work when replacing engine electronics,
• Maintaining proper cooperation with the manual gearbox,
• Possibility of restoring correct control system operation in case of factory set failure.

For vehicles with the N53 engine, correct communication between the engine control unit and other modules is particularly important, which is why a complete set with a matched key is a technically advantageous service solution.

Professional Selection and Used BMW Electronics

When selecting an ECU kit for a specific BMW instance, it is crucial to check compatibility by OEM number and interchangeable numbers, as well as to match the body version and gearbox type. Proper identification helps avoid software and hardware compatibility issues.

If you want to deepen your knowledge on selecting and installing used control units, verifying compatibility, and practical workshop procedures, consult the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?

Expanding the Control System in BMW

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

For a broader perspective on the operation of Bavarian designs and the use of original parts in servicing and upgrades, the article may also be helpful: BMW – Sporty Performance and Precision. How Original Used Parts Extend the Life of the Bavarian Icon?