Left Or Right Front Brake Caliper: Reassembly

WARNING: This page does not describe the selected car, but rather 92 other vehicles, including the 2002 BMW Z3, 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW Z3, and 2001 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.

Coat cylinder bore, piston, dust sleeve and sealing ring with a light coat of brake cylinder paste.
Install sealing ring in rear annular groove of cylinder bore.

NOTE: Ensure piston is not tilted when installing.

Install dust boot on piston. Using wooden block, install piston and dust boot. See Fig 1.
On 750i/iL ensure proper installation position of guide sleeves. Teflon socket (white insert) is located on disc inlet (bottom). Guide sleeve in standard version (black) is located on disc outlet (top).
Press brake lining fully outwards and insert spring (4). See Fig 2.
Only clean guide screws, do not grease. Check and replace if necessary. Tighten to specification. See TORQUE SPECIFICATIONS .
Install caliper. See CALIPER ASSEMBLY .

Fig 1: Pressing In Piston

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Identifying Retaining Spring

Courtesy of BMW OF NORTH AMERICA, INC.