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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 978 (Engine Electrical System - Repair (N52)) >> Ignition Coil >> 12 13 511 Replacing Ignition Coils (N51, N52, N52K)

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

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Necessary preliminary tasks: 

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.

Fig 1: Unlocking Plug Retainer Of Ignition Coil
G04751281Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Fig 2: Identifying Rubber Seal Of Ignition Coil
G05758729Courtesy 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 3: Pushing Plug With Plug Retainer
G04751283Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

The plug retainer must snap into place without great effort.

Fig 4: Identifying Plug Retainer
G05777498Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Now clear the fault memory.