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Home >> BMW >> 2021 >> 430i xDrive >> Repair and Diagnosis >> Electrical >> Gauges >> Engine Electrical System -- Repair (G22, G23 & G26) (1 Of 2) >> 12 14 Sensors >> 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 3+4) (AWD) (M440i xDrive coupe/Convertible/Gran Coupe sedan) >> Installing the knock sensor of cylinders 4 to 6

Installing the knock sensor of cylinders 4 to 6

NOTE: TECHNICAL INFORMATION 
When installing the knock sensors, the tightening torque must be observed.
Non-compliance with the tightening torque can lead to malfunction.
TIGHTENING TORQUE SPECIFICATION

Knock sensor to crankcase
M8x30 Tightening torque  21.5 Nm
G14230416Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work