12 13 512 Replacing All Ignition Coils (S85)

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Necessary preliminary tasks:

Read out fault memory of DME control unit.
Switch off ignition.
Remove left and right intake filter housing upper sections. See 13 72 002 REPLACING BOTH AIR CLEANER INSERTS (S85) .
Release coolant expansion tank and place to one side.
Remove ignition coil cover on left and right.

Unlock plug fastener (1) of ignition coil.

Fig 1: Removing Plug Fastener Of Ignition Coil

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Pull off plug (1).

Pull ignition coil (2) up and out.

This procedure is applicable to all ignition coils.

Fig 2: Identifying Ignition Coil And Plug

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Installation:

Insert rubber seal on ignition coils (1) between guides.

Fig 3: Inserting Rubber Seal On Ignition Coils Between Guides

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NOTE: Check stored fault messages.
Now clear the fault memory.