Ultrasonic-sensor, exterior — a genuine BMW part, number 66 20 1 382 251. The number stamped on the part is 66201382251; BMW's catalog files it under the short number 1382251. You will find it on our Instruments & Electronics shelf, under Cruise control.
It fits the E36 sedan, coupe, convertible and compact (318i, 318ti, 320i, 325i, 328i and M3, 1992–1999), with the M40, M42, M43, M50, M52 or S50 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them Park Distance Control (PDC) (66_0023) and Park Distance Control (PDC) (66_0083). BMW's catalog calls for two of these at each place it is fitted. It weighs about 30 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
