Necessary preliminary work

(cylinder bank 1 to 4)

IMPORTANT: Used rocker arms (1) may only be reused in the same position.
Tolerance classes are not required.

Remove rocker arm (1) and set down in neat order in special tool 11 4 480 .

Install rocker arm (1).

Align all rocker arms (1) straight.

Fig 1: Identifying Rocker Arm

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.