Thread: Retrofitting 4 Zone Climate Control on My 2016 BMW 550i xdrive
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      06-06-2023, 12:31 AM   #50
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Drives: G12 B7, G07 XB7, F02 B7, 991.1
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Originally Posted by SreeM View Post
I just realized, you didnt include

Auxiliary heater, electric, left: #64119217997
Auxiliary heater, electric, right: #64119217996

https://www.realoem.com/bmw/enUS/sho...48#64119181331

Did you install these too?
Definitely missed those on the list, and yes I did install them.

They have both the heating elements, and temp sensors in them...so those are necessary for error free factory operation....

Good catch.
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