11 33 050 Removing and installing/replacing all cam followers (N12)

WARNING: This page is about a different variant/trim than selected.

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 Roller Cam Follower

Courtesy of BMW OF NORTH AMERICA, INC.

Remove HVCA element in direction of arrow.

Installation:

If the HVCA 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: Removing HVCA Element Using Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Fig 3: Identifying Roller Cam Follower

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

Assemble engine.

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