Removing the ignition coil of cylinder bank 1

Prerequisite

Ignition switched off

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .

Prerequisite

Ignition is switched off.

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 for one component only. The procedure is identical for all further components.

→ Removing the cover of the right DME control unit

Remove the cover (1) and pull it up.

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→ Removing the control unit bracket for cylinders 1 to 4

NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
Read and comply with user information on using the associated special tool 12 7 060.
Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information see: NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .

NOTE: TECHNICAL INFORMATION
Follow instructions for removing and installing control units.
For additional information see: 1200... INSTRUCTIONS FOR REMOVAL AND REPLACEMENT OF CONTROL UNITS .
TECHNICAL INFORMATION
Disconnecting control units may cause fault code entries and functional limitations. Fault code entries must be read out and deleted if necessary.

Unlock and disconnect plug connections (1).
Unlock and disconnect plug connections (2).
Disconnect the clamps (3) from the control unit bracket (4).

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Loosen screws (1).
Feed out the control unit bracket (2) with control unit upwards and remove.

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Disconnect the clamps (arrows) from the control unit bracket (1).

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Unlock and disconnect all plug connections (1).

Unlock plug connection (2) and disconnect.
Unlock the connector (3) from the bracket (4) and disconnect.

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Release the control unit bracket (1) from the retaining tabs (2).

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Feed out the control unit bracket with DME control unit (1) upwards out of the brackets (2) and remove.

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Release the clamps (arrows).
Remove cable (1) and put to one side.
Guide out and remove the cover (2).

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Unlock and disconnect the connector (arrows).
Loosen screws (1).
Remove the cable clip (2) and put to one side.

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Loosen screws (1).
Slowly pull the ignition coil (2) up and take out without jerking it.

Pulling out the ignition coil with jerks may cause silicone hose to tear.

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