Removing the cylinder head (engine removed)

CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Loosen screws (1).
Feed out coolant line (2) and place to one side.
Catch and dispose of escaping coolant.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and detach the coolant line (1) at the cylinder head.
Catch and dispose of escaping coolant.
Unlock and disconnect the plug connection (2) on the coolant temperature sensor.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screw (1).
Guide out and remove holder (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock the locking mechanism (1).
Guide out and remove holder (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Feed out coolant line (1) and place to one side.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Guide out the wiring harness section (2) of sensor system 1 and set aside.
Loosen screw (3).
Feed out ground cable (4) and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Guide out and remove slide rail (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Unscrew the bearing journal (1) from the guide rail (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Affix the intake camshaft with a standard open-end wrench (1).
Loosen screw (2).
Remove the camshaft sensor wheel (3).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the cylinder head bolts in the order (5) to (1).

Fig 1: Cylinder Head Bolts Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Loosen the cylinder head bolts with the special tool 0 495 747 (11 8 580).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the cylinder head bolts in the order (10) to (1).

Fig 2: Cylinder Head Bolts Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Thread in and position the special tool 2 459 012 on the cylinder head.

Tighten the screws (1) of the special tool 2 459 012.

TIGHTENING TORQUES SPECIFICATION

Special tool to cylinder head
M8	Tightening torque	21.5 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Mount (1) the cylinder head on the special tool 0 494 362 (11 9 000).
NOTE:
RISK OF DAMAGE
Damage to guide rails.
The application of great force can damage the guide rails of the timing chain.
- When removing and installing the cylinder head, make sure that the cylinder head does not damage the guide rail.
Courtesy of BMW OF NORTH AMERICA, INC.
Guide out and remove the cylinder head (1) using the workshop crane and the special tool 0 490 561 (11 0 000) carefully.

CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Loosen screws (1).
Feed out coolant line (2) and place to one side.
Catch and dispose of escaping coolant.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and detach the coolant line (1) at the cylinder head.
Catch and dispose of escaping coolant.
Unlock and disconnect the plug connection (2) on the coolant temperature sensor.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock the locking mechanism (1).
Guide out and remove holder (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Feed out coolant line (1) and place to one side.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Guide out the wiring harness section (2) of sensor system 1 and set aside.
Loosen screw (3).
Feed out ground cable (4) and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Guide out and remove slide rail (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Unscrew the bearing journal (1) from the guide rail (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Affix the intake camshaft with a standard open-end wrench (1).
Loosen screw (2).
Remove the camshaft sensor wheel (3).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the cylinder head bolts in the order (5) to (1).

Fig 1: Cylinder Head Bolts Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Loosen the cylinder head bolts with the special tool 0 495 747 (11 8 580) .

Courtesy of BMW OF NORTH AMERICA, INC.
Release the cylinder head bolts in the order (8) to (1).

Fig 2: Cylinder Head Bolts Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Insert and position the special tool 2 358 042 on the cylinder head.

Tighten the screws (1) of special tool 2 358 042 .

TIGHTENING TORQUES SPECIFICATION

Special tool to cylinder head
M8	Tightening torque	21.5 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Mount the cylinder head (1) on the special tool 0 490 561 (11 0 000) .
NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
NOTE:
RISK OF DAMAGE
Damage to guide rails.
The application of great force can damage the guide rails of the timing chain.
- When removing and installing the cylinder head, make sure that the cylinder head does not damage the guide rail.
Courtesy of BMW OF NORTH AMERICA, INC.
Guide out and remove cylinder head (1) carefully using the workshop crane and special tool 0 490 561 (11 0 000) .