I have codes: C-2796 check at lower stop, 27A0 control E-Box Fan? on 2002 BMW 745i

Also codes C- 27D5 Failure within the Idle-Speed Control, 272C, 272D LR - Adaption Additive per-time and per- time (Bank 2)

My A/C is still cooling, my car is not running hot.
How do I address these codes?

Asked by for the 2002 BMW 745i
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