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E64 A/C blower problem

E64, 2004-- The A/C blower does not work. Using Carsoft home 8.4 it shows error 9C57-- Supercharger-Final Stage. But the description does not make any sense. I suspect something has gone wrong in translation from German to English. Could it be refering to Blower Regulator, also known as Final Stage Resistor??
Does anyone know what it really refers to please??

Quote:

Originally Posted by darya2010 (Post 173742)

Hello there. My friend had recently experienced this kind of issue and it's kinda bugging him because he is kinda confused on what's the possible cause of this and how to fix it. So we're both wondering if you happen to find a solution to this issue. Is it really the blower regulator causing this or what? Any opinions would be helpful.