12 12 021 Replacing an ignition cable

Switch off ignition.

Detach faulty ignition cable from ignition coil and spark plug.

Fig 1: Detaching Faulty Ignition Cable

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Ignition cable must snap audibly into place on ignition coil and on spark plug.

Incorrectly installed ignition cable (1) and correctly installed ignition cable (2).

Fig 2: View Of Ignition Cable Installation

Courtesy of BMW OF NORTH AMERICA, INC.