Brake Caliper: Reassembly

Coat pistons and calipers bores with brake cylinder paste. Install piston seals, then install pistons. Make sure pistons are not tilted when inserting. On 2-piston calipers, ensure 20 degree piston angle is preset. Install dust boots and retaining rings.

Fig 1: Disassembled View of 4-Piston Caliper Caliper is used as front caliper on 528e, 533i, 633CSi and 733i.