11 31 005 Checking camshaft timing (W20)

Special tools required:

Necessary preliminary tasks:

Remove screw plugs (1 and 2).

Fig 1: Identifying Screw Plugs

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw plug with special tool 61 6 010.

Fig 2: Releasing Screw Plug With Special Tool (61 6 010)

Courtesy of BMW OF NORTH AMERICA, INC.

Rotate crankshaft at the central bolt (2) into TDC setting.

Tightening torque: 11 14 6AZ .

Mark (1) and mark on the crankshaft must align.

Fig 3: Locating Crankshaft Central Bolt And Mark

Courtesy of BMW OF NORTH AMERICA, INC.

Open screw plug.

Tightening torque: 11 14 5AZ .

Screw in special tool 11 0 841 in the crankcase and block the crankshaft.

Fig 4: Blocking Crankshaft Using Special Tool (11 0 841)

Courtesy of BMW OF NORTH AMERICA, INC.

In the TDC firing position at cylinder 1, the marks point outward parallel to the cylinder head lower face.

Fig 5: Locating Camshafts Marks

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, adjust VALVE TIMING .

Assemble engine.