View Full Version : Is there a sending unit or sensor in the radiator of a 1993 BMW 740i?


Paula S
01-01-2008, 07:50 PM
i NOTICED THAT WHEN i CHANGED IT THERE IS A 3 PRONG WIRING PLUG ON THE PASSENGER SIDE TOP BY IT. WHAT IS THIS FOR?

chrystal f
01-01-2008, 07:50 PM
that is for the fan

Jeffrey
01-01-2008, 07:51 PM
Yes, there is a temperature sending unit on one side of the radiator. Sometimes there are two.