12 13 511 Replacing Ignition Coil (N52, N52K, N51)

Necessary preliminary tasks: 

• Read out fault memory of DME control unit.
• Check stored fault messages
• Switch off ignition
• Remove ignition coil cover. See 11 00 REMOVING AND INSTALLING/REPLACING IGNITION COIL COVER (N52K)

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

Pull ignition coil (1) up and out.

This procedure is applicable to all ignition coils.

Installation: 

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

Fig 1: Locating Ignition Coil Covers Screws And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

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

Fig 2: Unlocking Plug Fastener Of Ignition Coil

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

The plug retainer must snap into place without great effort.

Fig 3: Pulling Out Ignition Coil

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Fig 4: Identifying Rubber Seal On Ignition Coils Between Guides

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Assemble engine.