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Home >> BMW >> 2017 >> 530i >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine - Camshaft/Rocker Arm - Repair (G30) >> 11 31 Camshaft >> 11 31 558 Replacing both timing chains (M550i xDrive, 2018-2019) >> Install the bearing screws for cylinders 1-4 and 8-8

Install the bearing screws for cylinders 1-4 and 8-8

NOTE: TECHNICAL INFORMATION 
Clean all threads with a screw tap.
TIGHTENING TORQUES SPECIFICATION

Bearing screws for M10 cylinders 1-4
M10
Clean the threads with a thread cutter.
tightening torque  46 Nm
G06178559Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUES SPECIFICATION

Tensioning rail bearing screw and guide rail, cyl. 5 to 8, to crankcase
M8x1.25 tightening torque  20 Nm