FixVault

11 11 Engine block

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE BLOCK - TIGHTENING TORQUES SPECIFICATION

  Type Thread Tightening specification Measure
1AZ Main bearing bolts (steel bolts 10.9) N54 M10 x 100 Replace screws  
      Jointing torque 20 Nm
      Torque angle 70°
2AZ Bedplate
Aluminium screws/bolts are marked with blue paint.
N54 M10 x 27 Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 15 Nm
      Torque angle 90°
3AZ Bedplate
Aluminium screws/bolts are marked with blue paint.
N54 M8 x 37 Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 10 Nm
      Torque angle 90°
4AZ Bedplate
Aluminium screws/bolts are marked with blue paint.
N54 M10 x 41 Replace screws Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
 
      Jointing torque 15 Nm
      Torque angle 90°
5AZ Oil spray nozzles to engine block N54   Hollow bolt 12 Nm
6AZ Screw plug, water drain N54 M14 x 1.5 Replace seal 25 Nm
7AZ Screw plug, timing case upper section N54 M22 x 1.5 Replace seal 50 Nm
8AZ Screw plug, timing case lower section N54 M16 x 1.5 Replace seal 30 Nm