12 12 SPARK PLUGS (530i 2017-2022, 530i xDrive 2017-2022, 530e PHEV 2018-2022, 530e xDrive PHEV 2018-2022, 540i 2017-2022, 540i xDrive 2017-2022, M550i xDrive 2018-2022)

WARNING: This page does not describe the selected car, but rather 40 other vehicles, including the 2023 BMW 540i xDrive, 2023 BMW 540i, 2023 BMW 530i xDrive, 2023 BMW 530i, and 2023 BMW 530e xDrive. However, it is still accessible from the selected car via links, so may be relevant.

12 12 SPARK PLUGS - TIGHTENING TORQUE SPECIFICATION

	Type	Thread	Tightening specifications	Dimension
1AZ Spark plugs (ungreased)	All	M12x1.25		23±3 Nm
1AZ Spark plugs (ungreased)	All	M14x1.25		30±3 Nm