BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114

BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC is an original component from the Electronic control modules and controllers group, designed to operate the factory parking system in selected BMW 1 and 3 series models. The controller manages the operation of the PDC sensors, processes signals from the vehicle body, and transmits them to the vehicle's electrical system, ensuring precise obstacle warning.

Specifications and technical data

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

Purpose and function of the BMW PDC controller

The presented module is a central element of the parking system in the BMW E81, E87, E90, and E92, responsible for communication between the sensors in the bumpers and the vehicle's electrical system. It receives signals from ultrasonic sensors, analyzes the distance to obstacles, and transmits information to the acoustic or visual warning system, assisting the driver when maneuvering in tight spaces. By using an original controller, the correct logic of the PDC system is maintained, including the characteristics of sound signals, the way information is displayed, and integration with the rest of the vehicle's electronics. This is particularly important in BMW cars, where modules communicate via a data bus and require appropriate hardware and software compatibility.

Compatibility, replacement numbers, and OEM selection

The PDC module was designed by BMW as an OEM component, which means full compatibility with the vehicle's electrical installation and electronic architecture. The part has a dedicated OEM number and a set of interchangeable numbers that allow you to select the correct controller for a specific body version, model year, and equipment configuration. When selecting a controller, it is recommended to verify compatibility by the OEM number or reference numbers, as well as to check compatibility with a specific BMW 1 or 3 series model. In case of doubt, it is worth using the vehicle's VIN or consulting the manufacturer's catalogs to avoid communication issues with the module in the vehicle's network. If you want to better understand the principles of selecting used controllers and sensors, the differences between hardware and software versions, and the practical aspects of installation, check out the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Benefits of using an original PDC module

Using a factory PDC controller in the BMW E81, E87, E90, and E92 allows you to maintain the consistency of the entire parking system. The original module works with the existing wiring harness, sensors, and control units in the vehicle, which reduces the risk of communication errors, accidental dashboard messages, or incorrect operation of acoustic signals. The main advantages of this solution include:

• factory fitment for BMW's electrical installation and network architecture,
• preservation of the original PDC system functionality,
• consistent cooperation with other comfort and safety modules,
• possibility of diagnostics and coding using standard BMW service tools.

Characteristics of the used controller

The offered module comes from dismantling and is a used component, which in practice means a favorable cost-to-functionality ratio while maintaining original build quality. This type of solution is particularly attractive for post-accident repairs, damage after bumper flooding, or electronics failures resulting from vehicle operation. Before installation, a standard procedure is recommended: checking the PDC installation in the vehicle, verifying the condition of wiring harnesses and connectors, and then, if necessary, coding or adapting the module according to the requirements of the specific BMW unit. This allows for restoring the full functionality of the parking system and reducing the risk of recurring faults.

System expansion and other BMW control modules

The PDC system is part of a broader BMW electronic architecture, in which individual controllers work together within a single network. If you are planning a comprehensive repair or upgrade of the electronic zone in your BMW and need other components from the same group, such as comfort modules, light controllers, or body units, check the available parts in the Electronic control modules and controllers BMW category.