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1100 Engine, General

B36 ENGINE (COOPER BASE): 

TIGHTENING TORQUE SPECIFICATION (STANDARD SCREW CONNECTION)

  Type Thread Tightening specifications Dimension
1AZ Screws and nuts B32/B36/B38 M5   5 Nm ±0.5
2AZ Screws and nuts B32/B36/B38 M6   8 Nm±1
3AZ Screws and nuts B32/B36/B38 M7   13 Nm±2
4AZ Screws and nuts B32/B36/B38 M8   19 Nm±3
5AZ Screws and nuts B32/B36/B38 M10   38 Nm ±5
6AZ Hose clamp, WAF 5 B32/B36/B38     1.0 to 1.5 Nm
7AZ Hose clamp, WAF 6 B32/B36/B38     2.5 up to 3.5 Nm

B46 AND B48 ENGINES (COOPER S AND JCW): 

11 00 STANDARD SCREW CONNECTION - TIGHTENING TORQUE SPECIFICATION

  Type Thread Tightening specifications Dimension
1AZ Screws and nuts B42/B46/B48 M5   5 Nm ±0.5
2AZ Screws and nuts B42/B46/B48 M6   8 Nm ±1
3AZ Screws and nuts B42/B46/B48 M7   13 Nm ±2
4AZ Screws and nuts B42/B46/B48 M8   19 Nm ±3
5AZ Screws and nuts B42/B46/B48 M10   38 Nm ±5
6AZ Hose clamp, WAF 5 B42/B46/B48     1.0 to 1.5 Nm
7AZ Hose clamp, WAF 6 B42/B46/B48     2.5 up to 3.5 Nm
Special tool 2 358 042 to cylinder head 
M8x20 Tightening torque  19 Nm
Oval-head screw Tightening torque  4 Nm