Installing the flywheel

NOTE: TECHNICAL INFORMATION
Clean all threads with a screw tap.

Use set of special tools 2 285 058 .

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble tool set.

Number	Description
1	Tool holder
2	Thread cutter M12X1.5

Courtesy of BMW OF NORTH AMERICA, INC.

Mark screwing depth (A) on the thread cutter (1) from the special tool set 2 285 058 with a commercially available tool (2).

TECHNICAL DATA SPECIFICATION

Screw-in depth of thread cutter
	Screw-in depth	18 mm

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: To provide a better overview: Shown with engine removed.

Screw in the thread cutter (1) from the set of special tools 2 285 058 up to the screw-in depth (2) in the arrow direction.

TECHNICAL DATA SPECIFICATION

Screw-in depth of thread cutter
	Screw-in depth	18 mm

Courtesy of BMW OF NORTH AMERICA, INC.

Make sure that the thread cutter is (1) not pressed up against the timing chain (3).

NOTE: TECHNICAL INFORMATION
Handle the timing chain carefully to protect the timing chain and timing chain drive from damage.

Make sure that the screw-in depth (2) of the screw tap (1) is not exceeded.
The thread cutter (1) must not come into contact with the timing chain (3).

Courtesy of BMW OF NORTH AMERICA, INC.
Note the installation position of the magnet wheel (1).
Position the magnet wheel (1) on the crankshaft.

Courtesy of BMW OF NORTH AMERICA, INC.
Replace screws (1) to (8).
Parts: Screws
Position the flywheel (B).
Screw in flywheel bolt (1) to (8) by hand.
Set flywheel (B) with the special tool 0 494 034 (11 9 261) and screw tight with the special tool 0 494 130 (11 9 264) .
Make sure that the tightening sequence starts with the dowel pin (A).
Tighten the flywheel bolts in the sequence (1) to (8) (note the angle of rotation in the next step).

Fig 1: Flywheel Bolts Tightening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATIONS

Apply all flywheel bolts (1) with an angle of rotation of 45° by using the special tool 0 490 504 (00 9 120) .

NOTE: Mark all the flywheel bolts (1) with a vertical line.

Courtesy of BMW OF NORTH AMERICA, INC.