12 13 511 Replacing ignition coils (N52K)

WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read out fault memory of DME control unit.
Check stored fault messages
Switch off ignition
Remove ACOUSTIC COVER
Remove right TENSION STRUT

Unlock plug fastener of ignition coil (1) and disconnect plug.

Pull ignition coil (1) up and out.

This procedure is applicable to all ignition coils.

Fig 1: Pulling Ignition Coil Up And Out

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Installation:

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

Fig 2: Checking Ignition Coil Rubber Seal

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Installation:

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

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

Fig 3: Pushing Plug With Plug Retainer

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

The plug fastener must snap into place without great effort.

Fig 4: Identifying Plug Retainer

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NOTE: Now clear the fault memory.