BMW E60 E90 E91 325i 525i N52 218HP ECU Kit DME 7567178 CAS3 Key Manual

BMW E60 E90 E91 325i 525i N52 218HP ECU Kit DME CAS3 Key Manual is a complete set from the Electronic control modules and controllers category, designed for the 218 HP N52 engine in 3 Series and 5 Series models. The kit allows for a seamless replacement of the engine control unit along with the CAS3 module and key in BMW vehicles equipped with a manual transmission, facilitating the restoration of proper powertrain operation and security electronics.

Specifications and technical data

• SKU: 7567178-11
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7567178
• Substitutable numbers: 12147567178, 7567178, 12147577970, 7577970, 5WK98085, 61356943814, 6943814, KZ
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose of the ECU DME CAS3 Key kit

The presented kit is dedicated to BMW 3 Series E90/E91 325i and 5 Series E60 525i models with the 218 HP N52 engine and manual transmission. Combining the DME engine controller with the CAS3 module and a matched key ensures the integrity of the immobilizer system, which is crucial when replacing control electronics in modern BMW power units.

A set configured in this way minimizes the risk of starting issues, communication errors between modules, and security system faults, providing a practical solution for repairs following controller failure or engine swaps.

Benefits of using a complete controller kit

Using a complete ECU kit with a CAS3 module and key in BMW vehicles with the N52 engine offers a range of practical service and operational benefits:

• consistency of engine control electronics and vehicle security systems,
• reduced need for complex immobilizer programming,
• easier diagnostics and configuration compared to replacing individual modules,
• tailored to the specifics of the 218 HP N52 unit and manual transmission.

Thanks to this kit, you can restore proper powertrain operation in a controlled manner while maintaining factory engine control characteristics and the logic of the CAS3 system.

Technical characteristics and compatibility

As an item from the Electronic control modules and controllers category, the kit has been designed to work with the electronic architecture of E-generation BMW 3 and 5 Series. Integrating the DME controller with the CAS3 module and key ensures compliance with communication protocols and operating parameters of the vehicle's installation, which is particularly important when working with data buses and security systems.

The product comes from the BMW brand and is intended for vehicles equipped with a manual transmission, which is significant when selecting control software and configuring functions related to drivetrain management. This type of solution is especially useful in professional workshops specializing in BMW automotive electronics and in projects requiring the preservation of the original N52 control logic.

Condition, origin, and service application

The ECU DME CAS3 Key kit is sourced from dismantling and is intended for reinstallation in BMW vehicles that have experienced engine controller damage or issues with the CAS3 module. The used nature of the component allows for economical repair while maintaining the manufacturer's original specifications, which is essential for preserving correct engine operating parameters and proper interaction with other modules in the vehicle.

Before installation, it is recommended to verify compatibility with the specific vehicle configuration and perform standard diagnostic and adaptation procedures in accordance with BMW service practices to ensure stable system operation after replacement.

Expert support and selection of used electronics

If you want to deepen your knowledge regarding the selection and installation of used engine controllers and other electronic modules, it is worth using the Global Parts guide on electronics from dismantling – you can find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. It covers, among other things, the principles of selection by OEM numbers, hardware and software compatibility issues, and practical installation tips.

Additionally, in the context of BMW 3 and 5 Series models, useful information on the operation and repair of electronic modules, including engine controllers, can be found in the material Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using parts from dismantling?, which discusses a practical approach to utilizing proven components from the secondary market.

Related BMW Electronic control modules and controllers

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