Your manual explains how the heater controls work
Not sure but the Bentley manual may explain as well.
Originally Posted by
Anton CH.
I am still trying to get my passenger heat to work. I just noticed that my driver's heat control clicks when you move it all the way to cold or all the way to warm(at the end point). The passenger does not however.
So far I replaced the heater valve and verified that my aux water pump works.
Thanks,
1995 525i Auto, M50TU 2.5L, EAT chip, 1/95 build, USA, 205/65/15 tires, ASC+T, HID, lumbar, EC Mirror, BMW Alpine 5 radio with BMW-Pioneer CD Changer, abt 236k miles, Oxford Green/Parchment