Necessary preliminary tasks

IMPORTANT: Wear safety goggles.
Oil and dirt particles may get into your eyes!

Clean spark plug slot with compressed air.

Unscrew spark plugs with special tool 12 1 220 and extension with min. 8° bend.

Fig 1: Unscrewing Spark Plugs With Special Tool (12 1 220)

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Attach new spark plug (1) to special tool 12 1 230 .

Fig 2: Attaching Spark Plug To Special Tool (12 1 230)

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Screw spark plug with special tool 12 1 230 hand-tight into cylinder head plug thread as far as it will go.

Fig 3: Screwing Spark Plug With Special Tool (12 1 230)

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Installation note:

Tighten spark plugs with torque wrench, special tool 12 1 220 and extension with min. 8° bend.

Observe tightening torque.

Tightening torque 12 12 2AZ .

Fig 4: Tightening Spark Plugs With Torque Wrench, Special Tool (12 1 220)

Courtesy of BMW OF NORTH AMERICA, INC.