BMW E81 E82 E84 E87 E90 E91 PDC Parking Ultrasonic Sensor SET X2 Quarzblau -A18

BMW E81 E82 E84 E87 E90 E91 PDC Parking Ultrasonic Sensor SET X2 Quarzblau -A18 is a set of two front sensors designed for the factory parking system in BMW vehicles. The set allows for the efficient replacement of damaged components and restores the proper operation of the parking assistant, maintaining the original PDC performance characteristics and a consistent bumper appearance in Quarzblau Metallic - A18 color.

Specifications and technical data

• SKU: 6940623-QB
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6940623
• Substitutable numbers: 66206940623, 6940623
• Location on the vehicle: Front
• Color: Quarzblau Metallic - A18
• Category: Parking Sensors

Purpose and function of the PDC set

The presented set includes two sensors from the Parking sensors category, designed for installation in the front part of the vehicle body. The components work with the factory PDC system, responsible for precisely detecting obstacles in front of the vehicle and transmitting a signal to the controller and the acoustic or visual system in the cockpit.

The set of two sensors allows for the simultaneous replacement of a pair of components in one bumper zone, which reduces the risk of sensitivity differences and stabilizes the operation of the entire parking system. As a result, the driver receives consistent, predictable distance alerts, which improves the comfort of maneuvering in tight spaces.

BMW compatibility and vehicle placement

The offered set has been prepared for BMW E81, E82, E84, E87, E90, and E91 models equipped with a factory PDC system with sensors in the front bumper. Placement in the front zone provides support during forward parking, approaching walls, bollards, or other low-height obstacles.

The Quarzblau Metallic - A18 color allows for aesthetic integration of the sensors into the bumper paint of the same shade, without the need for additional painting. This is a beneficial solution when replacing components in vehicles where both the correct system operation and maintaining a consistent appearance of the front bodywork are important.

Component characteristics and installation benefits

As original BMW components, the sensors maintain factory operating parameters, which facilitates integration with the existing electrical installation and the vehicle's controller. The lack of need for adaptation or wiring modifications translates into simpler installation and a lower risk of errors in PDC system diagnostics.

The used condition means that the components come from dismantling, which allows for economical repair while maintaining the manufacturer's original specifications. This is a particularly advantageous solution for vehicles used on a daily basis, where reasonable service costs are important while maintaining the proper operation of parking assistance systems.

Maneuvering safety and user comfort

Efficient parking sensors in the front bumper effectively support the driver during maneuvers in the city, in underground parking lots, or on narrow driveways. The stable operation of the two-sensor set reduces the risk of false alarms and "blind spots," which translates into more predictable parking assistant performance.

Properly selected PDC components also help avoid minor damage to the bumper and body parts, which often generate much higher repair costs than the sensor replacement itself. Using original BMW components also helps maintain the consistency of the vehicle's electronic systems and facilitates potential computer diagnostics.

Related products and technical knowledge

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

When selecting used electronic components, such as PDC modules or other assistance system parts, it is worth relying on proven tips. Practical advice on choosing and verifying such parts can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Additional arguments for using parts from dismantling, including parking system components, are also provided in the material on the impact of such solutions on the environment and the driver's budget: Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.