51 46... Removing and installing/replacing cover for rear left or right seat belt

Necessary preliminary tasks:

Release expanding rivet (1).

Release cover (2) from clip (3) in direction of arrow.

Feed cover (2) out of seat belt and remove.

Installation note:

If necessary, replace faulty expanding rivet (1) and faulty clip (3).

Fig 1: Removing Seat Belt Cover

Courtesy of BMW OF NORTH AMERICA, INC.