Installing wiring harness section for ignition system of bank 2

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Wiring harness section for the ignition system of cylinder bank 2

Courtesy of BMW OF NORTH AMERICA, INC.

Guide in and position the wiring harness section for the ignition system of cylinder bank (2) .
Position ground cable (2) .
Tighten nuts (1) .

TIGHTENING TORQUES SPECIFICATION

Ground cable to hold-down device
Nuts	Tightening torque	5.5 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.

Check all connectors (1) on the injectors again to ensure they are correctly fitted.
Check that all connectors are plugged in correctly.

Courtesy of BMW OF NORTH AMERICA, INC.

Install the ignition coils of cylinder bank 2

NOTE: RISK OF DAMAGE
Damage to the ignition coil .
The silicone hose of the ignition coil must not be contaminated by fuel as this can lead to failure of the ignition coil .

When working on the fuel system, cover the ignition coils with suitable materials and remove where required.
Do not oil or grease the silicone tube of the spark plug socket. Do not use any protection or maintenance products (e.g. silicone spray, rubber care products, rust remover, etc.).

NOTE: The description is provided only at one component. The procedure is the same for all other components.

Feed in the ignition coils (2) and install them.
Tighten down screws (1) .

TIGHTENING TORQUES SPECIFICATION

Ignition coil
screw	Tightening torque	8 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Feed in and install the cable clip (3) .
Tighten down screw (2) .

TIGHTENING TORQUES SPECIFICATION

Wiring harness to cylinder head cover
M6x16 screw	Tightening torque	8 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down screw (1) .

TIGHTENING TORQUES SPECIFICATION

Wiring harness to cylinder head cover
M6x16 screw	Tightening torque	8 Nm

Connect and lock connectors (arrows).
The connectors (arrows) must audibly engage.

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
Unlock and disconnect the connectors (2) from the injectors with a small slotted screwdriver (1) .
Unlock the lock in the direction of the arrow with a small slotted screwdriver (1) . Disconnect the connector (2) on the connector housing from the injector.

Courtesy of BMW OF NORTH AMERICA, INC.

Before installing the ignition coils: Fuse the spark plug shafts (2) out with an air gun (1) .

The spark plug shafts must be free from oil, fuel residue, and coolant residue.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING COOLANT EXPANSION TANK .
Refer to INSTALLING HOLDER OF THE DME CONTROL UNIT FOR CYLINDERS 5 TO 8 .
Refer to INSTALLING THE COVER PANEL OF THE SLAVE DME CONTROL UNIT .
Refer to INSTALLING ACOUSTIC COVER .
Refer to CONNECTING BATTERY GROUND LEAD .