Detaching rear active stabilizer

Loosen screws (1) and (2).
Release the vehicle wiring harness of the active stabilizer with both cable brackets.

Fig 1: Vehicle Wiring Harness, Active Stabilizer, Cable Brackets Screws Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Active stabilizer (2) swivels down with retainers (3).

Courtesy of BMW OF NORTH AMERICA, INC.