BMW 5 X3 Series E39 E60 E61 E83 PDC Ultrasonic Parking Sensor Black 4687921

BMW 5 X3 Series E39 E60 E61 E83 PDC Ultrasonic Parking Sensor Black is an original BMW parking assistance system component, designed for precise obstacle detection in the bumper area. This used, factory-original black sensor allows for maintaining a consistent vehicle appearance and proper PDC system operation without the need for aftermarket replacements. It is a practical solution for repairing or completing the factory sensor set in BMW E39, E60, and X3 E83 models.

Specifications and technical data

• SKU: 2687921
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2687921
• Substitutable numbers: 66206989069, 6989069, 2687921, 66216938739, 6938739, 66216902182, 6902182, 51472687921
• Color: Black
• Category: Other Starters, Alternators, ECUs & Wiring

Function and application of the BMW PDC sensor

The BMW PDC parking sensor is responsible for continuously measuring the distance to obstacles and transmitting the signal to the parking system control unit. A properly functioning component ensures:

• stable operation of the acoustic and visual parking assistance,
• accurate obstacle detection in the bumper zone,
• maneuvering comfort in tight spaces,
• increased safety when reversing and parallel parking.

By maintaining factory performance characteristics, the sensor works with the vehicle's original installation without the need for modifying the wiring harness or the control unit.

Compatibility with BMW models

The presented component is intended for BMW vehicles with a factory PDC system, in particular for the popular E39, E60, and X3 E83 series. In practice, this means it can be used in various body configurations, depending on the specific vehicle's equipment.

To confirm compatibility with your car, it is recommended to verify the part number against the OEM part number or interchangeable numbers in BMW service documentation or by using a parts catalog. This approach minimizes the risk of selecting the wrong variant and speeds up the parking system repair process.

Construction, color, and body integration

The sensor is designed as a compact module for mounting in the bumper socket. The black housing color facilitates integration with factory body components – especially in the case of dark paint finishes or standard, unpainted bumper inserts. The design provided by the manufacturer allows for:

• secure seating in the mounting socket,
• proper sealing within the bumper area,
• stable connection with the PDC system electrical harness.

Thanks to the retention of original geometry and connectors, installation proceeds in a manner similar to the factory process, without the need for modifications.

Condition, origin, and benefits of choosing OEM parts

The offered sensor is a used item, sourced from a dismantled BMW vehicle. Choosing an original OEM part from the secondary market is a reasonable compromise between cost and maintaining the factory performance parameters of the PDC system. Compared to random aftermarket replacements, such a component ensures:

• compatibility with the BMW electrical installation and control unit,
• factory sensitivity and range characteristics,
• consistent appearance with other sensors in the bumper.

This is a practical solution for spot repairs of the parking system when a single sensor has been damaged.

Installation and diagnostic tips

Before installation, it is recommended to verify the PDC installation for any damage to the wiring, connectors, and the correctness of the socket mounting in the bumper. After replacing the sensor, it is worth:

• performing a PDC system test using a diagnostic tester,
• checking the system's response to obstacles at various distances,
• verifying the correctness of acoustic signals and any graphic indications.

This procedure allows for quickly confirming the effectiveness of the repair and ruling out other sources of faults in the parking assistance system.

If you are planning a comprehensive repair or upgrade of the body area related to the parking system in your BMW and need other elements from the same group, such as additional sensors, wiring harnesses, or mounting brackets, check the available parts in the Other BMW category.

For drivers interested in comparing performance and technical solutions in sports models, including drivetrain and braking systems, the article on our blog may be helpful: Audi RS vs other models – what is hidden under the hood and chassis?, which shows how different brands design key vehicle systems.

If you use a BMW on a daily basis and are considering further modifications or repairs within technical systems, it is also worth reading a practical guide regarding the B58 unit and accessories: BMW B58 code – checklist before buying a turbocharger and intercooler for the BMW 3 Series (G20), which shows how to consciously approach the selection of OEM parts on the secondary market.