In Reply to: HELP! 540i/6 reverse light sensor posted by Jeff Bos on April 05, 1999 at 20:53:57:
The switch is where you think it is. These go bad too often compared to the older cars.
BE extra carefull installing the new one, the switch body is very weak and you can snap it in two without knowing what hit you.
The washer pump sounds bad. good luck