BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual

BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual is a set from the Electronic control modules and controllers group, designed for facelifted 3 Series models with the N47N engine in the 320ed version. The kit ensures consistency of the immobilizer and control components, facilitating professional electronic system repair and restoring full functionality to vehicles with a manual transmission.

Specifications and technical data

• SKU: 8510829-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8510829
• Substitutable numbers: 13618519671, 8519671, 13618518272, 8518272, 13618515081, 8515081, 13618512291, 8512291, 13618506566, 8506566, 13618510829, 8510829, 61359237047, 9237047, 0281017024, 0 281 017 024
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and function of the kit

The presented set includes an ECU with the CAS system and a matched key, which allows for maintaining the compatibility of components responsible for start authorization and communication with the vehicle's electronics. This type of solution is particularly useful when replacing a damaged controller or addressing immobilizer issues in BMW 3 Series E90/E91 LCI models with the N47N unit in the 320ed version. Combining the controller with the CAS module and the key reduces the need for deep programming from scratch, which in many cases shortens service time and simplifies the adaptation process in the vehicle. For workshops specializing in the BMW brand, this is a practical base for further configuration and coding according to the specific car's equipment.

Benefits of use in BMW with manual transmission

The kit is intended for vehicles equipped with a manual transmission, which is important when selecting the appropriate engine controller and software configuration. Proper matching to the transmission type affects:

• correct cooperation of the controller with sensors and drivetrain accessories,
• stable operation of the N47N unit in terms of starting and idle speed,
• proper functioning of features related to safety and traction control. Thanks to this, the kit provides a solid base for restoring the drivetrain's efficiency after an electronics failure or an unsuccessful programming attempt.

Application in service practice

The ECU + CAS + key set will work well in both professional BMW service centers and specialized independent workshops. It can be used, among other things, for:

• replacing a damaged engine controller in 320ed models,
• solving starting problems resulting from immobilizer errors,
• rebuild projects or electronics swaps as part of post-accident repairs. Using a set of this type allows for cost reduction compared to purchasing new components, while maintaining the original BMW electronic architecture.

BMW electronic control modules and controllers – expansion and modernization

If you are planning a comprehensive repair or modernization of the control electronics area in your BMW and need other components from the same group, such as engine controllers, comfort modules, or CAS systems, check the available parts in the BMW electronic control modules and controllers category.

Technical support and best practices when working with BMW electronics

When working with control modules, the CAS system, and keys in BMW 3 and 5 Series, it is worth using proven service procedures and the experience of other specialists. Practical tips on repairing the iDrive system, FRM modules, and engine controllers using salvaged parts can be found in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using salvaged parts?.

Summary

BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual is a practical set from the Electronic control modules and controllers group, designed for vehicles with a manual transmission. Combining the controller, CAS module, and key facilitates the electronic system repair process, shortens diagnostic time, and allows for economical restoration of the car's efficiency while maintaining the original BMW architecture.