Necessary preliminary tasks

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Read out fault memory of DME control unit.
Check stored error/fault messages.
Switch off ignition.
Remove left and right INTAKE FILTER HOUSINGS .

IMPORTANT: Ignition coils must not be fouled by fuel.
The resistance of the silicone material is reduced significantly by contact with fuel, which may cause the ignition coil to fail!

Unlock plug catch (1) on ignition coil (2) and disconnect plug.

Pull ignition coil (2) up and out.

This procedure is applicable to all ignition coils.

Fig 1: Pulling Ignition Coil

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Check that rubber seal of ignition coil (1) is correctly seated.

Fig 2: Installing Rubber Seal Of Ignition Coil

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Installation:

Push plug (1) with plug catch (2) open onto ignition coil.

Carefully close plug catch (2) in direction of arrow.

The plug catch must snap into place without great effort.

Fig 3: Pushing Plug With Plug Catch Onto Ignition Coil

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Now clear the fault memory.