Double temperature switch — a genuine BMW part, number 61 31 8 376 440. The number stamped on the part is 61318376440; BMW's catalog files it under the short number 8376440. You will find it on our Electrical shelf, under Switch.
It fits the E36 sedan, coupe, touring and compact (318i and 318ti, 1992–1999), with the M43 or M44 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Radiator (17_0089) and Radiator (17_0959). It weighs about 44 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.