Ferrari California Workshop Manual page 454

Make two reference markings (X) and (Y) on the
chassis and subframe to facilitate correct
reassembly of the rear removable subframe.
Perform the procedure on both sides of the
vehicle.
Undo the screws (51) fastening the rear
removable subframe (A).
FROM Assembly No. 103179 (consult the Spare
Parts Catalogue to identify vehicles not
affected by modification)
Undo the screws (51) fastening the rear
removable subframe (A).