BMW E90 E91 LCI 335i N54 306HP ECU Kit DME 7592080 CAS3 Key Sport Dual-Clutch

BMW E90 E91 LCI 335i N54 306HP ECU Kit DME 7592080 CAS3 Key Sport Dual-Clutch is a complete control kit designed for BMW 3 Series models with the N54 engine producing 306 HP, equipped with a sport dual-clutch transmission. The kit includes the DME engine control unit, CAS3 module, and key, facilitating seamless integration with the vehicle's factory electronics. This solution allows for professional replacement or upgrade of the powertrain control system while maintaining compatibility with BMW's electronic architecture.

Specifications and technical data

• SKU: 7592080-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7592080
• Substitutable numbers: 12147616431, 7616431, 12147592080, 7592080, 5WK93724, 61359147226, 9147226
• Category: ECUs & Computer Modules

Purpose and Function of the ECU DME CAS3 Kit

The presented kit belongs to the Electronic Control Modules and Controllers category and is configured for the specific BMW 335i powertrain configuration with the N54 unit and a sport dual-clutch gearbox. The combination of the DME engine control unit with the CAS3 module and a matched key ensures cohesive management of starting, immobilizer functions, and engine operating parameters.

A system assembled in this way is particularly useful for:

• replacing a damaged engine control unit in vehicles after a collision or electronic failure,
• swapping N54 306 HP powertrains between E90/E91 LCI bodies,
• resolving communication issues between DME, CAS3, and the key in modified cars.

Benefits of Using a Complete DME + CAS3 + Key Kit

Using a complete control kit instead of individual modules significantly simplifies the adaptation process in the vehicle. Software and coding consistency between the DME, CAS3, and key reduces the risk of CAN network conflicts and starting authorization problems. For workshops specializing in BMW, this means shorter diagnostic and installation times and fewer potential errors.

In practice, this translates to:

• easier vehicle startup after a swap or control unit replacement,
• maintaining proper cooperation with safety and comfort systems,
• more predictable behavior of the N54 unit with stock parameters.

Technical Characteristics and Compatibility

As a component from the BMW Electronic Control Modules and Controllers group, the kit is factory-designed to work with the electrical architecture of the E90/E91 LCI platform. It is responsible for processing signals from engine sensors, controlling accessories, and communicating with other vehicle modules, including the system responsible for the sport dual-clutch transmission.

To ensure full functionality, it is crucial to match the kit to the specific vehicle configuration. Verifying compatibility by OEM part number and interchangeable numbers helps avoid communication problems between modules and ensures correct operation of the powertrain.

Condition, Origin, and Practical Application in Service

The offered kit is a used part, classified as a used BMW control module. Such components are frequently utilized by specialized BMW electronics services and workshops as they allow for economical repairs while maintaining the original manufacturer's specifications. For N54 306 HP units, this is particularly important due to the engine's demanding characteristics and high thermal loads.

Before installation, a standard diagnostic procedure and configuration adjustment to the specific car are recommended, in line with BMW 3 Series service practices.

Technical Support and Selection of the Appropriate Controller

To minimize the risk of incompatibility, it is advisable to base the kit selection on the OEM part number and reference numbers assigned to the specific controller. Practical tips for verifying the compatibility of BMW electronic modules, including engine control units, can be found in the guide how to safely select components by OEM numbers when shopping online.

If you want to better understand the specifics of BMW engine control units and other electronic modules in the 3 and 5 Series, as well as learn best practices for using used parts, read the article Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models.

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