BMW E65 740i N62N 306HP ECU Control Unit Kit DME 7549700 + CAS + Key Automatic

The BMW E65 740i N62N 306 HP DME Engine Control Unit with CAS Module and Key is an advanced set from the Electronic Control Units and Controllers group, designed for vehicles equipped with an automatic transmission. The set includes the engine control unit, the CAS module, and a matched key, facilitating the restoration of proper powertrain and security electronics operation in a BMW 7 Series E65 740i with an N62N engine.

Specifications and technical data

• SKU: rhd-7549700-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7549700
• Substitutable numbers: 7549700, 12147549700, 2461612, 12142461612, 0261209092, 0 261 209 092, 6972688, 61326972688
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and Function of the DME with CAS Control Unit Set

This complete set is dedicated to the BMW 7 Series E65, specifically the 740i version with the 306 HP N62N engine, paired with an automatic transmission. The control set is responsible for managing the engine's operation, communicating with comfort systems, and integrating with the factory immobilizer via the CAS module and the matched key.

Combining the DME control unit, CAS module, and key into a single set significantly simplifies the replacement process in the vehicle, as the components are already electronically synchronized. This reduces the need for additional programming and allows for a quicker restoration of vehicle functionality after a failure of the original control unit or issues with the security system.

Benefits of Using a Complete ECU + CAS + Key Set

Using a complete control set in the BMW E65 740i N62N offers a range of practical service and user benefits:

• consistency between engine control and immobilizer system components,
• simplified vehicle adaptation due to the inclusion of a matched key,
• the ability to resolve starting issues caused by a damaged control unit or CAS module,
• preservation of the original operating logic for the powertrain and security electronics.

For workshops specializing in BMW vehicles and for advanced users who service their cars independently, this set is a convenient solution for efficiently replacing a damaged engine control system.

Characteristics and Application in BMW Vehicles

The DME engine control unit set with CAS module and key has been developed with the specific N62N engine in the BMW E65 740i in mind, where precise control of the V8 engine's operation and proper communication with the automatic transmission are crucial for the vehicle's driving experience and dynamics. Using an original set from the same family of control units ensures the preservation of correct engine maps and compatibility with other modules in the vehicle.

This product belongs to the Electronic Control Units and Controllers group, meaning it communicates via the vehicle's data bus and requires a correct installation and diagnostic procedure after installation. Proper connection and verification of operating parameters using appropriate BMW service software are essential steps in the entire process.

Condition, Origin, and Installation Aspects

The offered set is a used part, sourced from dismantling, which allows for economical vehicle repair while maintaining the original manufacturer's specifications. This type of solution is often chosen by workshops and users looking to reduce costs while using parts that are structurally compatible with the factory equipment.

Before installation, it is recommended to:

• verify the engine version and gearbox type match the vehicle,
• perform a computer diagnostic scan after installing the set,
• verify the correct communication between the control unit and other modules in the vehicle.

This approach increases the likelihood of trouble-free operation after replacement and allows for the quick identification of any potential configuration issues.

Technical Support and Additional Information

For users interested in a broader context of BMW electronics repairs, including engine control units and comfort modules, an article describing the practical aspects of using dismantled parts in 3 and 5 Series models may be useful – you can find more information in the material: Driving Pleasure for Years – 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 control electronics in your BMW and need other parts from the same group, such as engine control units, comfort modules, or security systems, check the available parts in the category BMW Electronic Control Units and Controllers.