11 78 OXYGEN SENSOR (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)

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11 78 EMISSIONS-CONTROL, LAMBDA OXYGEN SENSOR - TIGHTENING TORQUE SPECIFICATION

	Type	Thread	Tightening specification	Measure
1AZ Oxygen control sensor; oxygen monitor sensor	All	M18 x 1.5	Tightening torque	50 Nm