Cleaning the brake caliper

NOTE: TECHNICAL INFORMATION
Do not apply brake pad paste to brake pads and guides!

Clean the contact surfaces (1) of the brake pistons (6 pieces) with brake cleaner.
Check dust boots for damage; replace if necessary.
Check the retaining spring (2) for damage and correct fit.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION
Do not apply brake pad paste to brake pads and guides!

Clean the contact surfaces (1) for the brake pads on the brake caliper with brake cleaner.
Do not mechanically clean the contact surfaces to prevent damage to the surface coating.

Courtesy of BMW OF NORTH AMERICA, INC.