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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Tightening Torques -- M4 (F82 & F83) >> 11 28 V Belt With Belt TENSIONER And Idler Pulley

11 28 V Belt With Belt TENSIONER And Idler Pulley

TIGHTENING TORQUE SPECIFICATION (V-RIBBED BELT WITH TENSION AND DEFLECTION ELEMENT)

Standard belt drive Type Thread Tightening specifications Dimension
1AZ Belt tensioner with deflection pulley to engine block. S55 M10x90   38 Nm
2AZ Deflecting element 65x32 S55 M10x55   60 Nm
3AZ Deflecting element 75x32 S55 M10x55   60 Nm
4AZ Holder for deflecting element to lower section of crankcase (bedplate) S55 M10x30   38 Nm
5AZ Deflecting element to air conditioning compressor holder S55 M10x55   60 Nm
6AZ Belt wheel to coolant pump S55 M6x12   8 Nm