Good to know: in BMW which year in Cas 4 or FEM? and which BMW key programmer works?
Part 1: Cas 4 or FEM car year
Pls look at the chart
after 2014 all are fem
1-3 Fxx series FEM , x5-x6 Fxx BDC
5-6-7 series Fxx, x3-x4 Fxx CAS 4 and so on.
Part 2: Cas 4 or FEM key programming
Here are auto key programmers confirmed to work for Cas 4 and FEM: