The first BMW M5's are just around the corner and should be arriving in dealers very soon...
Lease residual percentages for 12k miles, 36 months are 61%, 30 months, 68%, 24 months, 74%.
Take away two points of residual for 15K miles.
Full money factors apply on the M5 so you're looking at around .00330 + whatever markup the dealer adds to the rate...and most will