2018 M3 CS and 2019 M4 CS residuals have been raised and now match the standard M3 and M4:
M3 CS (2018MY) 15k miles / 54% residual
12k miles / 56% residual
10k miles / 57% residual
$1000 loyalty credit (lease/APR)
M4 CS (2019MY)15k miles / 54% residual
12k miles / 56% residual
10k miles / 57% residual
$500 lease credit
$500 loyalty credit (lease/APR)