Heater always blowing warm

[Rory525]

I knew i'd find something, just took a while.

http://www.bmwe34.net/e34main/Mainte...eaterValve.htm

I will try the tapping on solenoids trick tomorrow, see if it frees them up. Good chance things have become sludged up as the car is 15 years old !

Im reading through every thread on this I can find now too lol