BMW 1 3 Series E81 E87 E90 E91 E92 Parking Control Module Unit PDC 6947797

BMW 1 3 Series E81 E87 E90 E91 E92 Parking Control Module Unit PDC is an original electronic control module for the parking system, designed for selected BMW 1 and 3 Series models. As a component from the Electronic control modules and controllers group, it is responsible for processing signals from PDC sensors and transmitting them to the driver warning systems. This used PDC controller allows for a technically correct repair of the factory parking system without interfering with the vehicle's wiring.

Specifications and technical data

• SKU: 6947797
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6947797
• Substitutable numbers: 6947797, 66216947797, 6982401, 66206982401, 6973116, 66206973116, 6982389, 66206982389, 6974022, 66206974022, 6969282, 66206969282, 6982397, 66206982397, 6982393, 66206982393
• Category: ECUs & Computer Modules

Purpose and function of the PDC controller

The presented PDC module is designed to work with the factory parking sensor system in selected versions of the BMW 1 Series E81/E87 and 3 Series E90/E91/E92. Its task is to collect signals from ultrasonic sensors, analyze the distance to obstacles, and control acoustic and visual signals in the cabin. This provides the driver with clear information about the vehicle's surroundings while maneuvering in tight parking spaces, garages, or in city traffic.

The original module from the Electronic control modules and controllers group ensures proper communication with the vehicle's bus and compatibility with factory software, which is crucial for the stable operation of the entire PDC system.

Benefits of using an original BMW module

Using a factory PDC controller to replace a damaged component allows for maintaining the integrity of the electrical installation and the system's operating parameters. In practice, this means:

• proper cooperation with existing parking sensors and the electrical harness,
• preservation of factory acoustic warning functions and any graphical indications,
• no need for installation modifications or the use of additional adapters,
• possibility of diagnostics and coding using standard BMW service tools.

The used OEM module is a solution that allows for reducing repair costs while maintaining the correct operating parameters of the parking assistance system.

Component condition and installation aspects

The offered PDC controller is a used component, sourced from dismantling, which in practice means it was previously operated in a vehicle but is suitable for further use after proper installation and potential coding. This type of module is intended for installation in the factory location provided by the manufacturer, using the original electrical connectors.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and perform diagnostics after installation to confirm proper communication with other controllers in the vehicle.

Using used electronics in BMW repairs

In the case of modules such as PDC controllers, choosing a used OEM component is often a reasonable compromise between cost and functionality. Original electronics from dismantling retain factory operating parameters and are designed for long-term cooperation with other vehicle systems. If you want to better understand when it is worth opting for used controllers and modules, see the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, where you will find practical tips on selecting and operating such components.

If you are planning a comprehensive repair or upgrade of the onboard electronics in your BMW and need other components from the same group, such as comfort controllers, body modules, or driver assistance control units, check the available parts in the BMW electronic control modules and controllers category.