LEMON Manuals: Even more car manuals for everyone
Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2656 (Engine - Tightening Torques - N51 - E90) >> Engine block >> 11 11 Engine block

11 11 Engine block

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - ENGINE BLOCK

  Type Thread Tightening specification Measure
1AZ Main bearing bolts (steel bolts 10.9) N51 M10x100 Replace screws
Jointing torque
Torque angle
20 Nm
70 °
2AZ Bedplate
Aluminum screws/bolts are permitted with and without color coding (blue).
N51 M10x27 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
Torque angle
15 Nm
45 °
3AZ Bedplate
Aluminum screws/bolts are permitted with and without color coding (blue).
N51 M8x37 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
Torque angle
8 Nm
90 °
4AZ Bedplate
Aluminum screws/bolts are permitted with and without color coding (blue).
N51 M10x41 Replace screws
Thread repairs exclusively with Al Helicoil.
Jointing torque and angle of rotation must be observed without fail.
Jointing torque
Torque angle
15 Nm
90 °
5AZ Oil spray nozzles to engine block N51   Hollow bolt 12 Nm
6AZ Screw plug, water drain N51 M14x1.5 Replace seal 50 Nm
7AZ Screw plug, gear case upper section N51 M22x1.5 Replace seal 50 Nm
8AZ Screw plug, gear case lower section N51 M16x1.5 Replace seal 30 Nm