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Home >> BMW >> 2012 >> 740Li >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine - Tightening Torques (N54, 2011-2012) >> V-Ribbed Belt And TENSIONER/Deflection Element >> 11 28 V-ribbed belt with Tension and Deflection Element

11 28 V-ribbed belt with Tension and Deflection Element

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

  Type Thread Tightening specifications Dimension
1AZ ISA screw
Belt tensioner with deflection pulley to engine block.
N54 M10 x 110   40 Nm
2AZ ISA screw
Deflection pulley 80 x 30
N54 M10 x 40   38 Nm
3AZ ISA screw Deflection pulley 90 x 30 N54 M10 x 40   38 Nm
4AZ ASA screw
Belt tensioner to crankcase upper section.
N54 M10 x 65   38 Nm
5AZ Deflection pulley 65 x 33 N54 M10 x 65   40 Nm
6AZ Deflection pulley 72 x 32 N54 M10 x 40   40 Nm
7AZ ISA screw
Deflection pulley 73.8 x 24.92 to crankcase upper section.
N54 M10 x 40   38 Nm