Installing spark plugs of cylinder bank 1

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M5, 2022 BMW M5, 2021 BMW M5, 2020 BMW M5, and 2019 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The description is provided only at one component. The procedure is the same for all other components.

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

Courtesy of BMW OF NORTH AMERICA, INC.
Make sure the spark plug does not fall into the spark plug shaft.
First screw spark plugs into the engine using special tool 0 496 065 (12 1 230) and tighten manually.
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.
Tighten spark plugs with a torque wrench, special tool 0 496 065 (12 1 230) and extension with joint.

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUES SPECIFICATION

Spark plugs
M12x1.25	Tightening torque	23 Nm