BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6982391

The BMW E81 E87 E90 E91 E92 LCi PDC Module is an original component from the Electronic Control Units and Controllers group, designed to operate parking sensors in selected BMW 1 and 3 Series models after the facelift (LCi). It enables the proper functioning of the factory PDC system, ensuring precise obstacle detection and comfortable maneuvering in tight spaces.

Specifications and technical data

• SKU: 6982391
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6982391
• Substitutable numbers: 66206982400, 6982400, 66206982395662069731146621694779566206982391, 6982395697311469477956982391, 662069823876620697402066206969280, 698238769740206969280, 66216973114, 6947795, 66206982395, 6982395, 66206982387, 6982387, 66206982391, 6982391, 66206974020, 6974020, 66206973114, 6973114, 66206969280, 6969280, 66216947795
• Category: ECUs & Computer Modules

PDC Module Purpose and Function

The presented module is responsible for controlling the parking sensor system in BMW E81, E87, E90, E91, and E92 models in their LCi (facelift) versions. As the central unit of the PDC system, it analyzes signals from ultrasonic sensors, processes them, and transmits them to the vehicle's electrical system, generating acoustic signals and, depending on the car's configuration, visual feedback on the onboard display.

By using a factory controller, full compatibility with the electrical system, wiring harnesses, and other comfort and safety modules in the specific BMW model is maintained. This solution allows for the restoration of correct parking system operation after the failure of the original controller.

Benefits of Using an Original BMW Module

Choosing an original BMW PDC module from the Electronic Control Units and Controllers category ensures proper integration with the vehicle's electrical architecture and compatibility with the software used in the E series. The controller is prepared to operate within the CAN/LIN bus environment used by the manufacturer, minimizing the risk of communication errors and coding issues.

Key benefits of using a factory module include:

• maintaining the original functionality of the PDC system without requiring installation modifications,
• consistency with other comfort and safety controllers in the vehicle,
• the possibility of proper diagnostics using official BMW service software,
• stable operation of the parking system after correct coding to the specific car.

Technical Characteristics and Vehicle Integration

The PDC module is part of the network of controllers responsible for driving comfort and safety. It works in conjunction with parking sensors, the acoustic system, and, depending on the equipment, the iDrive system and the instrument cluster. Its task is to quickly process signals from the vehicle's surroundings and provide the driver with clear information about the distance to obstacles.

This component is designed for installation in a dedicated structural location provided by BMW, which facilitates servicing and subsequent diagnostics. After installation, the module requires appropriate coding to the specific vehicle configuration to correctly recognize the number of sensors, their placement, and how information is presented to the driver.

Condition, Origin, and Practical Application

The offered module comes from a dismantled BMW vehicle and is a used part, which in practice allows for an economical repair of the parking system while maintaining the original manufacturer's specifications. This solution is often chosen by workshops specializing in the BMW brand and by users who want to restore full PDC functionality without investing in expensive aftermarket parts.

Before installation, it is recommended to verify the controller's compatibility with the specific body version and year of the car, and to perform diagnostics after installation. A correctly selected and coded module ensures stable, predictable operation of the parking system in daily use.

Integration with Other BMW Electronic Modules

The PDC system in BMW 1 and 3 Series models is part of the vehicle's broader electronic architecture, where numerous controllers responsible for comfort, lighting, powertrain, and multimedia cooperate. A properly functioning PDC module complements the functionality of solutions such as the iDrive system, body modules, or engine controllers, creating a cohesive electronic ecosystem.

If you want to better understand the principles of operation and repair of BMW electronics, including iDrive systems, FRM modules, or engine controllers, it is worth reading the guide: Driving Pleasure for Years – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Used Parts?

If you are planning a comprehensive repair or upgrade of the body electronics area in your BMW and need other parts from the same group, such as comfort controllers, body modules, or parking assistance system controllers, check the available parts in the category BMW Electronic Control Units and Controllers.