BMW E60 LCI E90 E91 330i 530i N53 272HP ECU Kit DME CAS3 Key 7602118 Manual

BMW E60 LCI E90 E91 330i 530i N53 272HP ECU Kit DME CAS3 Key Manual is a complete engine control kit designed for selected BMW models with the N53 engine, 272HP output, and a manual transmission. The set includes the DME module, CAS3 module, and a matched key, which significantly facilitates professional engine electronics replacement without the need for time-consuming programming from scratch. This is a solution for workshops and users looking for a proven, original control system for advanced repairs.

Specifications and technical data

• SKU: 7602118-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7602118
• Substitutable numbers: 12147616431 12147602118 5WK93738 61359217853, 7616431 7602118 9217853
• Gearbox type: Manual

Application and compatibility with the N53 engine

The ECU kit has been developed for the 272HP N53 petrol engine used in BMW 3 and 5 series models of the E90, E91, and E60 LCI generations. Integrating the DME controller with the CAS3 module and key ensures the consistency of the immobilizer system, which is crucial when replacing electronics in modern direct-injection petrol units.

The solution is particularly useful for tasks such as:

• replacing a damaged engine controller after an electrical failure,
• swapping a complete powertrain between vehicles,
• advanced electrical system repairs related to the start system and security features.

DME + CAS3 + key kit construction

The complete ECU kit consists of a DME controller responsible for managing engine operation, a CAS3 module handling immobilizer functions, and a matched key. This configuration allows for data consistency between all system elements, minimizing the risk of starting issues and bus communication errors.

Combining these components into one package means that the workshop does not have to select modules separately or worry about their mutual compatibility. It is a practical solution for repairs where time, repeatability of results, and reducing the risk of programming errors are essential.

Designed for manual transmission

The kit is configured to work with a manual transmission, which is important for the proper operation of functions related to starting, torque control, and communication with other vehicle modules. Proper matching of the transmission type is significant both from the perspective of safety and the comfort of using the car after repair.

For workshops specializing in BMW, this means the ability to use the kit in vehicles with a classic manual gearbox without the need to modify the software for a different transmission type.

Benefits of using an original ECU kit

Choosing an original engine controller kit with a CAS3 module and key allows you to maintain the factory logic of safety and comfort systems. The integrated package limits the number of potential failure points resulting from incompatible elements or incorrect software matching.

The main advantages of such a solution include:

• data consistency between the engine controller, CAS3 module, and key,
• reducing the scope of programming to the necessary minimum,
• the possibility of faster diagnostics and vehicle startup after installation,
• maintaining engine performance characteristics consistent with BMW factory specifications.

Professional use in repairs and upgrades

BMW E60 LCI E90 E91 330i 530i N53 272HP ECU Kit DME CAS3 Key Manual is particularly valued in professional services dealing with BMW electronics, where repeatability of results and the ability to quickly restore full vehicle functionality are key. The kit will prove useful both for repairs after electrical damage and for more extensive projects involving engine unit replacement.

If you are also considering optimizing repair costs for other brands, it is worth checking out our guide on the used parts market: check how to reasonably save on original car parts for Volkswagen. For users also analyzing the topic of manual and automatic transmissions, the following article may be helpful: when it pays to invest in a used gearbox and what to pay attention to when choosing, which organizes key technical and operational issues.