BMW 3 Series E46 Rear Bumper PDC Ultrasonic Parking Sensor Black 6902180

Description

BMW 3 Series E46 Rear Bumper PDC Ultrasonic Parking Sensor Black is an original component from the Parking sensors group, designed for operation in the rear body zone. Thanks to its factory-fit compatibility with the BMW PDC system, it ensures stable performance of the parking assistance system and a consistent look with the standard bumper finish. The black housing color facilitates aesthetic integration with most paint and trim configurations.

Specifications and technical data

• SKU: 6902180
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6902180
• Substitutable numbers: 66216902180, 6902180, 66218380318, 8380318, EM
• Location on the vehicle: Rear
• Color: Black
• Category: Parking Sensors

Purpose and function in the vehicle

The presented sensor is dedicated to installation in the rear part of the BMW E46 body, where it works with the factory PDC system. Its task is to precisely detect obstacles behind the vehicle and transmit a signal to the control unit, which translates into clear warnings for the driver when maneuvering in tight parking lots, garages, or when reversing in confined spaces.

Placement in the rear bumper zone allows for optimal coverage of the area behind the car, and the design adapted to BMW standards minimizes the risk of false readings and system interference.

Compatibility and fitment for BMW

The BMW brand guarantees that the sensor has been designed for full integration with the electrical installation and the PDC system architecture in the E46 model. Appropriate electrical and geometric parameters ensure that the component works with the factory control unit without the need for wiring modifications or the use of additional adapters.

Thanks to the use of the correct connector standard and matched housing geometry, installation is similar to a plug-and-play solution – after proper seating in the bumper socket and connecting the plug, the sensor is ready for operation after performing standard system diagnostics.

Color and visual integration

The black color of the sensor housing promotes discreet installation in the rear of the vehicle. In practice, this means that the component does not visually dominate the bumper, while remaining easily accessible for potential service. This finish works well with both dark paint jobs and contrasting colors, maintaining a consistent, factory character of the rear body zone.

Performance characteristics and benefits of use

As an element from the Parking sensors category, this model has been developed for repeatable, stable operation under typical passenger car operating conditions. The design intended for installation in the rear body zone accounts for exposure to moisture, road dirt, and temperature changes, which is important for the long-term operation of the PDC system.

Key benefits of using this sensor in the BMW E46 include:

• maintaining the factory functionality of the parking assistance system in the rear zone of the vehicle,
• electrical and mechanical consistency with the original BMW installation,
• aesthetic integration thanks to the black housing matched to standard bumper elements,
• the ability to restore proper PDC system operation after the failure of one of the rear sensors.

Condition and practical application

The offered sensor is a used component, which in the case of automotive electronics allows for an economical restoration of the PDC system’s efficiency while maintaining the manufacturer’s original specifications. This solution is particularly beneficial when servicing older generations of vehicles, where both technical compliance and reasonable repair costs are important.

To maximize the potential of the parking system in your BMW E46, it is worth performing a computer diagnostic of the PDC system after installation, confirming correct sensor communication with the control unit and the absence of errors in the system memory.

If you are planning a comprehensive repair or upgrade of the parking assistance zone in your BMW and need other elements from the same group, such as additional sensors, control modules, or wiring harnesses, check the available parts in the BMW Parking sensors category.

More about used automotive electronics

When selecting used electronic components, such as control units, comfort modules, or PDC sensors, it is worth being guided by part number compatibility, intended use for a specific model, and diagnostic results after installation. Additional tips on choosing and operating this type of component can be found in the article A second life for electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?, which discusses the practical aspects of using used electronics in cars.