BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7611358 CAS3 Key Automatic

BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME CAS3 Key Automatic is an advanced kit from the Electronic control modules and controllers category, designed for professional powertrain management. The kit ensures consistency of control components and enables efficient operation of the engine and automatic transmission in BMW 3 Series E90/E92 generation vehicles.

Specifications and technical data

• SKU: 7611358-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7611358
• Substitutable numbers: 12147611358, 7611358, 12147616431, 7616431, 5WK93748, 61356943834, 6943834
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME CAS3 Key Automatic

The presented kit includes the DME engine control unit, the CAS3 module, and a key, which allows for maintaining the integrity of the security and control system in a BMW 335i with an N54 unit. This set is particularly useful when replacing a damaged controller or during advanced service work where compatibility of components responsible for starting, key authorization, and petrol engine management is required.

In vehicles with an automatic transmission, a correctly selected control kit is crucial for smooth cooperation between the engine and the gearbox. The consistency of the DME and CAS3 reduces the risk of communication errors in the vehicle network, facilitates adaptation, and restores full functionality of the powertrain after repair.

Benefits of using a complete control unit kit

Using a complete BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME CAS3 Key Automatic brings a number of practical service and operational benefits:

• maintaining compatibility between the engine controller and the immobilizer system,
• easier installation and configuration procedure compared to replacing a single module,
• reduction of starting and key authorization issues after repair,
• possibility to restore the correct operation of the N54 petrol engine in a configuration with an automatic transmission.

For workshops specializing in the BMW brand, such a kit is a convenient solution for diagnostics and replacement of damaged control components, and for the vehicle owner, it means a faster return to efficient, predictable powertrain operation.

Technical characteristics in the context of the N54 engine and automatic transmission

The N54 petrol engine in the BMW 335i requires precise management of operating parameters, and the DME controller is responsible for controlling injection, ignition, and cooperation with other vehicle modules. The version with an automatic transmission additionally requires correct data exchange between the engine controller and the transmission control system, which affects gear shifting smoothness, throttle response, and overall driving dynamics.

The CAS3 module acts as the central element of the access and starting system, cooperating with the key and other body modules. Combining these components into one kit makes it easier to maintain software and configuration consistency, which is important both for standard replacement and for more complex electronics repairs in the BMW 3 Series.

Product condition and use in service practice

The offered control kit comes from a used vehicle, which makes it an attractive cost alternative to new components while maintaining the manufacturer's original specifications. For workshops dealing with BMW electronics, this is a solution that allows for effective repair of vehicles with the N54 engine, especially in cases of engine controller damage or starting system problems.

To maximize the potential of the kit, it is recommended to verify compatibility by OEM number and consult an experienced diagnostician who will select the appropriate configuration for a specific BMW 335i E90/E92 unit. Professional installation and adaptation allow for restoring stable powertrain operation and correct communication of all related modules.

More solutions from the BMW Electronic control modules and controllers category

If you are planning a comprehensive repair or upgrade of the control electronics in your BMW and need other components from the same group, such as engine controllers, comfort modules, or body units, check the available parts in the BMW Electronic control modules and controllers category.

Substantive support and selection of used electronics

When working with used ECU controllers and body modules, correct matching by numbers, hardware and software versions, and the proper installation procedure are key. A detailed discussion of these issues, along with practical examples and answers to frequently asked questions, can be found in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.