BMW E90 E91 LCI 318d Engine N47N 143HP ECU Kit DDE 8510832 CAS3 Key Automatic

BMW E90 E91 LCI 318d Engine N47N 143HP ECU Kit DDE 8510832 CAS3 Key Automatic is a factory electronic engine control module designed for facelifted BMW 3 Series models with the N47N unit. The DME controller, which works with an automatic transmission, is responsible for precise engine management, ensuring stable driving characteristics and consistency with the vehicle's other systems. This solution is dedicated to users looking for a proven, used component with maintained functionality.

Specifications and technical data

• SKU: 8510832-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8510832
• Substitutable numbers: 13618519672, 8519672, 13618507202, 8507202, 13618515082, 8515082, 13618512292, 8512292, 13618518273, 8518273, 13618510832, 8510832, 61359237047, 9237047, 0281017027, 0 281 017 027, KZ
• Gearbox type: Automatic
• Category: ECUs & Computer Modules

Purpose and function of the DME controller

The presented engine computer is an element from the Electronic control modules and controllers group, responsible for coordinating key operating parameters of the powertrain in the BMW E90 LCI 318d with the N47N engine. The DME analyzes signals from sensors, controls fuel dosage, ignition, and communication with the automatic transmission, which translates into smooth acceleration and predictable throttle response.

Cooperation with the CAS system ensures consistency with the factory start authorization system, which is important for both safety and proper vehicle starting. Thanks to this, the controller can be used as a replacement component in professionally performed engine electronics repairs.

Compatibility and replacement numbers

This model was developed by BMW as an original control module, and its design allows for the use of different reference numbers depending on the model year, equipment version, and factory updates. The presence of many interchangeable numbers facilitates the selection of the appropriate controller for a specific vehicle configuration, which is important for repairs in specialized service centers.

Because the part has assigned OEM numbers and reference numbers, it is possible to precisely match it to a specific BMW E90 LCI 318d N47N, taking into account the software version and cooperation with the automatic transmission. This solution is particularly valued by workshops dealing with vehicle electronics and controller diagnostics.

Operating characteristics with an automatic transmission

The DME controller in this configuration is adapted to work with an automatic transmission, which means it manages not only engine parameters but also the exchange of information with the transmission control module. A correctly selected engine computer influences:

• smooth gear shifting under various loads,
• stability of idle speed in automatic driving modes,
• powertrain response to kick-down and dynamic acceleration,
• consistency of operation of assistance systems, such as traction control.

By maintaining the factory control logic, installing the appropriate DME allows for restoring the proper operation of the powertrain after a failure of the previous controller or in the event of a necessary replacement.

Condition, application, and installation recommendations

The offered DME computer is a used item, which makes it an attractive cost alternative to new modules while maintaining the manufacturer's original specifications. Such controllers are most often used for:

• repairs after engine electronics damage,
• replacing a faulty ECU after critical errors,
• restoring factory configuration after unsuccessful software modifications.

Due to the connection with the CAS system and the immobilizer, installation should be performed by a workshop with appropriate diagnostic facilities and experience in programming BMW controllers. This allows for the proper matching of the module to the specific vehicle and avoids problems with starting and communication in the CAN network.

More about used electronics and related products

If you want to better understand when choosing a used engine controller is justified, how to assess its condition, and what to pay attention to when selecting comfort modules and sensors, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. This is a practical source of knowledge for those planning a conscious repair of electronics in their car.

If you are planning a comprehensive repair or upgrade of the engine control area in your BMW and need other elements from the same group, such as additional control modules, auxiliary controllers, or powertrain management systems, check the available parts in the BMW electronic control modules and controllers category.