12 13 511 Replacing ignition coils (N52K)

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

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Fig 2: Checking Ignition Coil Rubber Seal

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.