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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 298 (Distance Systems, Cruise Control - Repair) >> Park Distance Control (PDC) >> 66 20 520 Removing and installing/replacing a front ultrasonic sensor (center)

66 20 520 Removing and installing/replacing a front ultrasonic sensor (center)

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Necessary preliminary work: 

Unclamp ultrasonic sensor (1) from retaining tabs (2).

Installation note: 

Before installation of ultrasonic sensor (1) on wiring harness, clean plug connection!

Retaining tabs (2) must not be damaged!

Make sure ultrasonic sensor (1) is securely seated.

Fig 1: Identifying Ultrasonic Sensor And Retaining Tabs
G09950171Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Make sure rubber ring (1) is correctly seated on ultrasonic sensor (2).

Fig 2: Identifying Rubber Ring And Ultrasonic Sensor
G04728003Courtesy of BMW OF NORTH AMERICA, INC.