no heating working on 1996 BMW 318is

my car BMW 318 IS's heating is not working. only blower is working. I have a climate control unit in the car. It,s shows the temperature of -37.5 C. it will not let me to change the temperature. I checked all fuses are fine. can anyone help me?

by in Schenectady, NY on December 20, 2009
2 answers
ANSWER by on December 22, 2009
When I see a temp reading like that, I look at the temperature sensor and make sure it isn't disconnected. However, these climate modules have been known to have some issues, see this site for the info or rebuilt climate modules: http://bit.ly/8z7rcm
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ANSWER by on August 01, 2010
I had to get a new heater core ... heat works now, but I still can't change temperature