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

BMW E60 E90 E91 N52 325i 525i 218HP ECU Kit DME CAS3 Key Automatic is a complete set from the Electronic Control Modules and Controllers group, designed for BMW vehicles with the N52 engine and automatic transmission. The set ensures consistent operation of the engine control unit, CAS3 module, and key, which facilitates professional repair of the electronic system and restores the proper operation of the powertrain.

Specifications and technical data

• SKU: 7567178-12
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7567178
• Substitutable numbers: 7577970, 12147577970, 7563044, 12147563044, 7568964, 12147568964, 7559675, 12147559675, 7559593, 12147559593, 7559679, 12147559679, 7569804, 12147569804, 7561262, 12147561262, 7567178, 12147567178, 5WK98085, 61356943834, 6943834
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose of the ECU DME CAS3 Key kit

The presented set is dedicated to selected BMW 3 and 5 series models with the 218 HP N52 engine, equipped with an automatic transmission. Combining the DME controller with the CAS3 module and a matched key allows for maintaining immobilizer compatibility, which is crucial when replacing engine electronics in modern vehicles.

A set configured in this way minimizes the risk of engine starting problems, bus communication errors, and conflicts between the controller and the vehicle's security system.

Benefits of using a complete control kit

Using a ready-made ECU set with a CAS3 module and key is a solution that significantly simplifies the service process. The mechanic or automotive electrician receives components that are already synchronized, which limits the need for advanced programming and shortens repair time.

• Consistency of engine electronics and the immobilizer system in one set.
• Reduction of problems with matching the key to the CAS3 module.
• Possibility of effective replacement of a damaged controller in vehicles with automatic transmission.
• A solution particularly useful for more serious engine control system failures.

For workshops specializing in the BMW brand, such a set is a practical and technically sound solution, allowing for the efficient restoration of the vehicle's full functionality.

Product characteristics and condition

The offered set comes from a BMW vehicle and is part of the original equipment line. As a used part, it has been designated for re-installation in another car after prior verification of suitability by a specialist. This type of electronics is a popular choice as an alternative to new components, especially in the case of older model generations, where the cost of brand-new controllers can be high.

Choosing a used ECU DME set with CAS3 and key is an economical solution, while at the same time allowing for the preservation of the vehicle's original electronic architecture, which is important for the stability of onboard systems.

Professional selection and compatibility

Due to the specificity of BMW electronics, it is recommended to verify the compatibility of the set with the specific vehicle configuration before installation, particularly regarding the engine version, transmission type, and equipment. Selection based on the OEM number and interchangeable numbers, as well as vehicle data, helps avoid problems with CAN bus communication and errors in powertrain operation.

If you want to deepen your knowledge on the selection and installation of used control modules, practical aspects of compatibility, and installation procedures, it is worth checking out the guide: Used automotive electronics – ECU modules and second-hand sensors. The article discusses, among other things, selection by VIN and OEM numbers, software issues, and the most frequently asked questions related to installation.

Expansion of the control system in BMW

If you are planning a comprehensive repair or upgrade of the engine electronics area in your BMW and need other elements from the same group, such as additional controllers, auxiliary modules, or onboard system controllers, check out the available parts in the BMW Electronic Control Modules and Controllers category.