Install ignition coils of cylinder bank 1

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.

Version without RDE2:
Blow out the spark plug shafts (2) before the installation of the ignition coils with an air gun (1).

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NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
Version with RDE2:

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

Check if all connectors (1) have locked noticeably.

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

Version with RDE2:

Feed in the ignition coils (2) and install them.

Tighten down screws (1).

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TIGHTENING TORQUES SPECIFICATION

Ignition coil
screw	Tightening torque	8 Nm

Version with RDE2:

Feed in and install the cable clip (2).

Tighten down screws (1).

TIGHTENING TORQUES SPECIFICATION

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

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Connect and lock connectors (arrows).
The connectors (arrows) must audibly engage.
Version with RDE2:

Position the expansion tank (1) for the charge air cooler.

Tighten down screw (2).

TIGHTENING TORQUES SPECIFICATION

Low-temperature coolant circuit expansion tank
Tightening torque	screw	2.6 Nm

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Follow-up work

Refer to INSTALLING CONTROL UNIT HOLDER FOR CYLINDERS 1 TO 4 .
Installing the cover panel of the master DME control unit.

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- Position the cover of the master DME control unit (1)
- Engage the cover panel of the master DME control unit (1) downwards with the clamps (2) and the guide pins (3) in the carrier plate of the DME.
Refer to INSTALLING ACOUSTIC COVER .
Refer to CONNECTING BATTERY GROUND LEAD .