BMW E65 N52 730i 258HP Engine ECU Kit DME 7567178 CAS Key Automatic Transmission

BMW E65 N52 730i 258HP Engine ECU Kit DME CAS Key Automatic Transmission is a practical solution for workshops and users looking to efficiently restore full functionality to the powertrain in an automatic transmission version. The kit belongs to the Electronic control modules and ECUs group, which ensures component consistency and facilitates their integration with the vehicle's wiring. This is a great option when replacing a faulty engine control unit or performing advanced electronics repairs.

Specifications and technical data

• SKU: rhd-7567178-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7567178
• Substitutable numbers: 12147567178, 7567178, 12147577970, 7577970, 12147568972, 7568972, 5WK98085, 61326972688, 6972688
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the ECU DME / CAS kit

The offered kit is dedicated to the BMW 7 Series E65 with the 258HP N52 petrol engine in the 730i version, equipped with an automatic transmission. The set includes the DME engine control unit, the CAS module, and a matched key, which allows for maintaining the consistency of the immobilizer coding and communication within the vehicle.

A kit configured in this way facilitates the adaptation process in the car, reducing the need for time-consuming programming and synchronization of individual modules. This is particularly important when repairing engine electronics failures, addressing vehicle starting issues, or replacing a damaged control unit.

Benefits of using an original BMW kit

Using a factory ECU DME kit with a CAS module and key ensures:

• compliance with the electrical architecture of the BMW E65 with the N52 unit,
• consistency of the security and immobilizer system thanks to the matched CAS module and key,
• reduction of the risk of software conflicts between the engine control unit and other comfort and safety modules,
• easier diagnostics and configuration using factory service software.

For workshops specializing in the BMW brand, this means faster repair completion, and for the end user – more stable powertrain operation and predictable vehicle behavior. The complete electronic kit is especially useful in situations where previous attempts to repair individual modules have not yielded the expected results.

Compatibility with automatic transmission

The presented kit is intended for BMW E65 730i models with an automatic transmission. This is significant both for engine control logic and for cooperation with modules responsible for gear shifting, torque control, and driver assistance systems.

Proper matching of the ECU kit to the transmission type helps avoid issues with gear shift smoothness, communication errors between the engine control unit and the transmission module, and unwanted dashboard warnings. For vehicles used intensively, including long-distance driving, this has a direct impact on driving comfort and component durability.

Condition, origin, and use in service practice

The components included in the kit are sourced from dismantling and are intended for reinstallation in another vehicle. For many BMW 7 Series users, this is a reasonable compromise between repair costs and maintaining the manufacturer's original electronics. A used ECU DME kit with CAS and key allows for restoring the car's efficiency without the need to invest in new, significantly more expensive modules.

Before installation, it is recommended to perform a full vehicle diagnostic and consult with a service specializing in BMW electronics to correctly carry out the adaptation and potential coding process. A properly selected and configured kit can significantly reduce the car's downtime in the workshop.

More solutions from the BMW control unit group

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

If you want to better understand how electronic modules work in this brand and how to safely use dismantled parts when repairing an engine control unit or iDrive system, check out the guide: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW models.

More practical tips on sourcing used components for car repairs, including electronics, can also be found in the article Comprehensive supply of used car parts in one place, which discusses the advantages of a One-Stop-Shop approach.