2012-2018 BMW 335i Knock Sensor Torque Specs

3.0L Turbo I6

Applies to 2012, 2013, 2014, 2015, 2016, 2017, and 2018 BMW 335i

Labor Time:2.7 hours

Torque Values (8 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	18	13	—
Electrical Connector Bolts	7	5	—
⚠️ Gasket Bolts	21	16	—
⚠️ Gasket Surface Bolts	22	16	Clean mating surfaces
⚠️ Knock Sensor	20	15	Torque critical for function
⚠️ Mounting Bolts	50	37	—
Sensor Bolts	11	8	—
Sensor Mounting Bolts	11	8	—

The primary torque specification for knock sensor on a 2012-2018 BMW 335i is 18 Nm (13 lb-ft).

There are 8 torque specifications for knock sensor on the 2012-2018 BMW 335i 3.0L Turbo I6, covering all related fasteners and components.