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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 297 (Engine - Tightening Torques (N52)) >> Crankshaft And Bearings >> 11 21 Crankshaft and Bearings

11 21 Crankshaft and Bearings

WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - CRANKSHAFT AND BEARINGS

  Type Thread Tightening specification Measure
1AZ Hexagon screw (central screw)
Hub of vibration damper to crankshaft.
N52K M16 x 80 Replace screw.
Screw and thread are lightly oiled.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
100 Nm
        Torque angle 360 °


TIGHTENING TORQUE SPECIFICATION - CRANKSHAFT AND BEARINGS

  Type Thread Tightening specification Measure
1AZ Increment wheel on crankshaft S54 M5 10.9 Replace screws
Jointing torque
5.0 Nm
        Torque angle 45 °
Increment wheel on crankshaft   M5 10.9 Replace screws 13 Nm
Increment wheel on crankshaft   M5 8.8 Replace screws 5.5 Nm