I turn on the heater but cannot get any heat. on 2004 BMW 330Ci

No heat is coming from the system. Tried all controls

by in Moreno Valley, CA on February 24, 2011
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2 answers
ANSWER by , February 24, 2011
no heat is coming from the system.only cold air blowing when heater turned on.
ANSWER by , February 25, 2011
could be as simple as low coolant level. this system uses an electrically controller heater valve which may have failed. or it may have a problem in the controller. after trying the basics, you should find a good local BMW shop that can diagnose this.