11 33 050 Removing and installing/replacing all rocker arms (N52)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 4 480

Necessary preliminary tasks:

IMPORTANT: Rocker arms (1) are divided into bearing categories.

The tolerance classes are designated as illustrated with numbers from 1 to 5.

Already used rocker arms (1) may only be reused in the same position.

Fig 1: Identifying Rocker Arms

Courtesy of BMW OF NORTH AMERICA, INC.

Detach roller cam followers (1) from HVC element and remove.

Set all roller cam followers down in special tool 11 4 480 in a tidy and orderly fashion.

Installation:

Before installing exhaust camshaft and intermediate lever, make sure roller cam followers are correctly seated.

Remove HVC element in direction of arrow.

Installation:

If the HVC elements are to be reused, set them down in special tool 11 4 480 in a tidy and orderly fashion with the roller cam followers.

Fig 2: Identifying Roller Cam Followers

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME; if necessary, readjust uniform mixture distribution.