Checking the timing at cylinders 1-4

NOTE: TECHNICAL INFORMATION
Due to more difficult accessibility: Exchange the screw on the special tool with an M8x15 screw.

Adjust special tool 0 496 778 (00 9 460) to 0.6 Nm.
Pretension timing chain with special tool 2 249 162.

Courtesy of BMW OF NORTH AMERICA, INC.
Unscrew the bolts in the sequence from (4) to (1) and remove the belt pulley.

Fig 1: Belt Pulley Screws Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Note the identification MP (= installation position).
The identification MP (= installation position) is important for the installation of the special tool 0 496 366 (11 8 570)

Courtesy of BMW OF NORTH AMERICA, INC.
Position the special tool 0 496 366 (11 8 570) on the vibration absorber and secure it with the bolt (1) .
Insert special tool 0 493 882 (11 9 190) into the crankcase.
Crank the crankshaft on the central bolt using a reversible ratchet (2) in the direction of engine rotation until it is in contact with special tool 0 493 882 (11 9 190) . see figure.

Courtesy of BMW OF NORTH AMERICA, INC.
Crank the engine further on the central bolt until special tool 0 493 882 (11 9 190) can be positioned in the timing case cover.

Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The special tools can only be mounted if the ground surfaces point upward (see arrow).

Courtesy of BMW OF NORTH AMERICA, INC.

Position special tool 2 249 144 on the intake camshaft of bank 5-8 in the direction of the arrow and secure with one screw (1) each.

TIGHTENING TORQUE SPECIFICATIONS

Special tool, gauge to cylinder head
M6x35	Tightening torque	10 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Position special tool 2 249 159 on the exhaust camshaft and screw to special tool 2 249 144.

TIGHTENING TORQUE SPECIFICATIONS

Special tool to special tool, gauges
M6x20	Tightening torque	10 Nm

Courtesy of BMW OF NORTH AMERICA, INC.