Installing cylinder head cover

Bolts of the cylinder head cover

Courtesy of BMW OF NORTH AMERICA, INC.

1 Bolts of the cylinder head cover

15 Cylinder head cover

NOTE: RISK OF DAMAGE
Improper routing of cables and wiring harnesses.
Trapped, crushed or damaged cables may cause short circuits and malfunctions.

Route all cables without abrasions, do not trap and crush.

NOTE: TECHNICAL INFORMATION
Depending on the build level, different cylinder head covers and therefore different profile seals can be fitted.
Identify suitable cylinder head cover in the applicable BMW Parts Catalog and perform the corresponding variant of the work steps.

Version with a profile seal:
Replace the profile seal (1).

Parts: Profile seal

Insert and install the profile seal (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Version with multiple profile seals:

Replace the profile seals (arrows).

Parts: Profile seals

Insert and install the profile seal (1).

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION
When assembling, it is essential to observe screwing sequences and tightening torques.
Failure to comply with the regulations can lead to leaks and damage.

Guide in and install the cylinder head cover (A).

Tighten screws in the order (1) to (15).

TIGHTEN TORQUES SPECIFICATION

Cylinder head cover to cylinder head
M6x30	Joining torque	8 Nm
	Tightening torque	10 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Insert and install the engine ventilation line (2).
Ensure that the locking mechanisms (1) engage audibly.

Courtesy of BMW OF NORTH AMERICA, INC.
Guide in and install the wiring harness section (3) for sensor system 1.

Tighten down screw (2).

TIGHTEN TORQUES SPECIFICATION

Wiring harness section for engine to cylinder head cover
M6	Tightening torque	8 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Connect and lock connector (1) on the exhaust camshaft sensor.
Make sure the connector (1) engages audibly on the exhaust camshaft sensor.
Connect and lock the connector (1) on the intake camshaft sensor.
Make sure the connector (1) engages audibly on the intake camshaft sensor.

Secure clamps (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Feed in and install the wiring harness section (1) for sensor system 2.
Make sure that you can hear the locks (arrows) engage.

Courtesy of BMW OF NORTH AMERICA, INC.
Feed in and install the differential pressure sensor (2) at the holder (3).
Connect connectors (1) and lock.
Make sure the connector (1) engages audibly.

Courtesy of BMW OF NORTH AMERICA, INC.

CAUTION: Improper routing of the positive battery cable.
Risk of short circuits!

Route the positive battery cable without abrasions and do not trap.

Feed in the bracket (2) of positive battery cable and install.
Tighten down screws (1).

TIGHTEN TORQUES SPECIFICATION

Holder, positive battery cable to cylinder head cover
M6X18	Tightening torque	6 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Feed in and install the wiring harness section (1) for sensor system 2 from the guides (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Secure clamps (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Guide in and Install the wiring harness section (2) for the injectors and ignition coils.
Secure clamps (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Install both ACTUATORS .
Secure the EME HIGH-VOLTAGE CABLES .
Prepare the INJECTORS for installation.
Install the RAIL with injectors.
Install HIGH PRESSURE PUMP .
Install the HIGH-PRESSURE LINE between the high-pressure pump and the high-pressure rail.
Install FUEL DELIVERY LINE .
Install IGNITION COIL .
Install the cylinder head cover ACOUSTIC COVER .
Install the engine front ACOUSTIC COVER .
Install RESONATOR .
Connect the system battery negative BATTERY CABLE .
Install trunk battery COVER .
Connect the (12 v battery) negative BATTERY CABLE .
Activate HIGH-VOLTAGE SYSTEM .
Install flap in right luggage compartment TRIM PANEL .
Install the underneath second end PANEL .
Secure the EME HIGH-VOLTAGE CABLES .
Install rear ACOUSTIC COVER .
Install the upper part COWL .
Install left and right shock tower TENSION STRUT .
Install windshield panel COVER .
Install left and right WIPER ARM .
Install the rear right engine compartment COVER .
Install the rear left engine compartment COVER .
Install the front hood rear SEAL .
Install ACOUSTIC COVER .
Take hood out of the SERVICE POSITION .