12 13 511 Replacing ignition coil (N62)

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

Switch off ignition.

Remove acoustic cover.

Pull ignition coil covers (1) out of rubber grommets.

Fig 1: Locating Ignition Coil Covers

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Unlock plug fastener (1) of ignition coil.

Fig 2: Identifying Plug Fastener Of Ignition Coil

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Disconnect plug.

Pull out ignition coil (2).

This procedure is applicable to all ignition coils.

Fig 3: Disconnecting Plug

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Installation:

Insert rubber seal on ignition coils (2) between guides.

Fig 4: Inserting Rubber Seal On Ignition Coils Between Guides

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NOTE: Interrogate fault memory of DME control unit. Check stored fault messages. Rectify faults. Now clear the fault memory.

Necessary Preliminary Tasks:

Switch off ignition.
Remove acoustic cover.
Release A/C line (intake line) in area of cyl. 4 and remove from mounting.

Pull ignition coil covers (1) out of rubber grommets.

Fig 1: Locating Ignition Coil Covers

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Unlock plug fastener (1) of ignition coil.

Fig 2: Unlocking Plug Fastener Of Ignition Coil

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Detach ignition coil connector in direction of arrow.

Pull out ignition coil (2).

This procedure is applicable to all ignition coils.

Fig 3: Removing Ignition Coil

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Installation:

Insert rubber seal on ignition coils (2) between guides.

Fig 4: View Of Rubber Seal On Ignition Coils Between Guides

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Assemble engine.

NOTE: Read out DME fault memory. Check function of DME.