Installing all spark plugs

NOTE: TECHNICAL INFORMATION
Exclusively swiveling extensions may be used for the reversible ratchet. Rigid mounting tool and variable plug connections with rigid option may not be used; there is a risk that the insulator breaks.

NOTE: TECHNICAL INFORMATION
In order to avoid an uncontrolled flashover of ignition sparks, special attention must be paid to the cleanliness of the insulator (ceramic) of the spark plugs.
Do not tap the insulator of the spark plugs with your fingers or label it and make sure it does not come into contact with liquid media, such as fuel or oil.
Always handle spark plugs at the spark plug thread. Guiding in the spark plugs using a clean hose (installation aid 12 1 230) is permitted.

Insert spark plug (1) into special tool 0 496 065 (12 1 230) .

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION
Do not drop spark plug into spark plug shaft! This can lead to a reduction of the electrode gap and can thus impair smooth running of the engine, especially in idle position.

Screw the spark plugs hand-tight into the engine with special tool 0 496 065 (12 1 230) .

Courtesy of BMW OF NORTH AMERICA, INC.
Tighten spark plugs with torque wrench, special tool 0 495 560 (12 1 220) and extension with joint.

TIGHTENING TORQUE SPECIFICATIONS

Spark plugs
M12x1.25	Tightening torque	23 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE IGNITION COILS .
Refer to INSTALLING ACOUSTIC COVER .