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This iDrive Controller came from a 2011 BMW (F10) 528i. The part number is 6582 9206444-01.
Sometimes the following buttons do not work: Menu, Nav, Tel and Knob select.
The other buttons: CD, Radio, Back, Option and Knob turning all work.
This is something that can be fixed if someone has the time. There are plenty of videos online that show how to open it and fix those buttons.
Buyer is responsible for checking if part number is compatible with their BMW.