Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 328xi, and 2010 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.

Remove CYLINDER HEAD COVER
Check TIMING

IMPORTANT: Install special tool 11 4 280 to release the central bolts on the inlet and exhaust adjustment units and camshafts.

Fit special tool 11 4 283 with screws (1).

Fit special tool 11 4 281 on special tool 11 4 283.

IMPORTANT: Fit special tool 11 4 282 underneath on side of inlet camshaft.

Fig 1: Identifying Special Tools Fitted To Camshaft And Cylinder Head

Courtesy of BMW OF NORTH AMERICA, INC.

Release chain tensioner (2).

Tightening torque 11 31 6AZ .

Release central bolts on inlet and exhaust adjustment units (1).

Tightening torque 11 36 1AZ .

Installation: