Parking Assist System - Ultrasonic Sensors Discolored

SI B 66 01 09
Distance Systems, Cruise Control, Remote Control

March 2009
Technical Service

SUBJECT
PDC Ultrasonic Sensor(s) Become Discolored

MODEL
E90, E91, E92, E93 (3 Series produced up to March 1, 2009

Vehicles with PDC (option 507 or 508)

SITUATION
The PDC (Park Distance Control) sensors become discolored, with the color changing from black to purple. Only black sensors are affected. The functionality of the PDC system is not affected.

CAUSE
PDC painting process

CORRECTION
Replace all the PDC sensors in the bumper concerned. Refer to (as appropriate):

^ REP 66 20 518 (Removing and installing [replacing] an ultrasonic transducer at front [outside] [Park Distance Control])

^ REP 66 20 520 (Removing and installing/replacing an ultrasonic transducer at front [inside] [Park Distance Control])

^ E90: REP 66 20 540 (Removing and installing/replacing a rear ultrasonic transducer [Park Distance Control])

^ E92 and E93: REP 66 20 538 (Removing and installing/replacing a rear [middle] ultrasonic transducer [Park Distance Control])

^ E91, E92 and E93: REP 66 20 540 (Removing and installing/replacing a rear [left/right] ultrasonic transducer [Park Distance Control])





PARTS INFORMATION








WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.





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