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

BMW E90 E91 LCI 318d N47N CAS Computer 8510832 is an original module from the Electronic Control Units and Controllers group, designed for the electronic system of the facelifted BMW 3 Series. The used controller ensures the factory connection architecture, which facilitates integration with the vehicle's wiring and maintains the consistency of the security and comfort systems. This is a solution for users seeking proven, factory-compliant electronics instead of replacements of unknown origin.

Specifications and technical data

• SKU: 8512292-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8512292
• Substitutable numbers: 13618519672, 8519672, 13618507202, 8507202, 13618515082, 8515082, 13618512292, 8512292, 13618518273, 8518273, 13618510832, 8510832, 0281017450, 0 281 017 450, 61359226238, 9226238, KZ
• Gearbox type: Manual
• Category: ECUs & Computer Modules

Purpose and Role of the CAS Module in BMW 318d N47N

The CAS computer in BMW E90/E91 LCI models with the N47N engine is responsible for advanced management of comfort and safety functions related to vehicle access and start authorization. The module cooperates with the vehicle's body electrical system, ignition switch or key reader, and other controllers, creating a cohesive system for managing access and engine start.

The version dedicated to the manual gearbox is configured for the vehicle's operating logic with mechanical gear changes, which is important for integration with other controllers and sensors. This ensures correct cooperation with the drivetrain and onboard systems.

Benefits of Using an Original CAS Module

Using an original CAS computer in the BMW 3 Series allows for maintaining software and hardware consistency within the entire controller network. This is particularly important in vehicles where the following are crucial:

• stable communication between modules on the vehicle bus,
• preservation of factory comfort and security functions,
• easier diagnostics using standard BMW service tools,
• possibility of matching by OEM and reference numbers without experimenting with uncertain replacements.

A used module with its hardware structure intact is a good choice for repairs when compatibility with the original vehicle configuration and cost reduction compared to a new part are priorities.

Selection, Compatibility, and Installation Aspects

When selecting a CAS computer for the BMW E90/E91 LCI 318d N47N, it is crucial to match by part number and interchangeable numbers, as well as consider the gearbox type. Proper selection helps avoid communication problems in the controller network, errors in the comfort system, or difficult starting.

In practice, installing such a module usually requires:

• verification of hardware and software compatibility with the existing car configuration,
• an appropriate adaptation or programming procedure in the vehicle,
• adherence to the manufacturer's recommendations for working with the security system.

To better understand the principles of selecting used controllers, it is worth reading the guide: how to safely choose used ECU modules and sensors for your car, which discusses, among other things, selection by VIN/OEM, hardware and software compatibility, and common user questions.

Application of Used Electronics in BMW Service

For BMW onboard electronics, such as the CAS computer, used components are often chosen as a reasonable compromise between cost and maintaining factory specifications. A properly selected module from the aftermarket allows for:

• reducing expenses when repairing the electronic system,
• maintaining the original controller architecture in the vehicle,
• preserving the possibility of further expansion or configuration of systems according to manufacturer guidelines.

If you are planning more extensive modifications or upgrades to your vehicle using second-hand parts, the article used components as a basis for conscious car tuning, which discusses a practical approach to selecting aftermarket components, may also be helpful.

Summary

BMW E90 E91 LCI 318d N47N CAS Computer 8510832 is an original control module designed to work with a manual gearbox in the facelifted 3 Series. Choosing a used controller of this type allows for maintaining the factory operating logic of comfort and security systems while reducing repair costs. This is a solution for users and workshops that prioritize compliance with factory specifications and predictable electronic behavior in everyday use.