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11 37 VALVETRONIC

11 37 TIGHTENING TORQUE OVERVIEW

Bearing cap to cylinder head 
M6x27 8.5 Nm

N55 ENGINE (2016-2018): 

11 37 VARIABLE VALVE GEAR - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specification Measure
1AZ Slide block to cylinder head. N55 M6x23   10 Nm
2AZ Torsion spring (throttle return spring) to cylinder head. N55 M6x20   10 Nm
3AZ Electrical servomotor to cylinder head. N55 M6x16   10 Nm
4AZ Oil spray nozzle to guide block. N55 M6x30   10 Nm
5AZ Stop screw of eccentric shaft to cylinder head. N55 M6   10 Nm
6AZ Valvetronic sensor to holder. N55 M6x20   8 Nm
7AZ Holder for valvetronic sensor. N55 M6x20   8 Nm

S55 ENGINE (2019-2022): 

11 37 VARIABLE VALVE GEAR - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specifications Dimension
1AZ Slide block to cylinder head. S55 M6x23   10 Nm
2AZ Torsion spring (throttle return spring) to cylinder head. S55 M6x20   10 Nm
3AZ Electrical servomotor to cylinder head. S55 M6x16   10 Nm
4AZ Oil spray nozzle to gate. S55 M6x30   10 Nm
5AZ Stop screw of eccentric shaft to cylinder head. S55 M6   10 Nm