Golden Brown is probably closest followed by Amaro Brown. Haven’t seen Cinnamon but maybe it exists somewhere.
If you pick up a leather set of seats and really want Cinnamon, you could get a
re-dye. Could be relatively costly but I’m not the arbiter of how anyone spends their money
Edit: check this thread out:
https://f80.bimmerpost.com/forums/sh....php?t=1138869