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Home >> BMW >> 2020 >> M8 Base, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine -- Tightening Torques (F91, F92 & F93) >> 1131 Camshaft, Chain TENSIONER

1131 Camshaft, Chain TENSIONER

1131 TIGHTENING TORQUE OVERVIEW

Chain tensioner to cylinder head 
screw Tightening torque  13 Nm
Collar screw to the slide rail 
Collar screw M6x48 Tightening torque  10 Nm
Flat-head screw to the slide rail 
Flat-head screw M6x67 Tightening torque  10 Nm
Bearing screw to engine block 
Bearing screw M8x1.25
Replace the bearing screw.
Clean the thread in the engine block with a screw tap.
Tightening torque  20 Nm
Bearing screw to engine block 
Bearing screw M10x1.25
Replace the bearing screw.
Clean the thread in the engine block with a screw tap.
Tightening torque  46 Nm
Preload timing chain 
  Tightening torque  0.6 Nm
Slide rail to cylinder head 
Bearing screw Tightening torque  25 Nm