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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1587 (Cooling System - Tightening Torques) >> 00 Coolant Checking, Cooling System >> 17 00 Coolant

17 00 Coolant

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - COOLANT

  Type Thread Tightening specification Measure
1AZ Hose clamps to coolant hoses 32 ... 48 mm dia. All     2.5 Nm
2AZ Bleed screw (WAF 8) to thermostat housing All, without E46     8 Nm
Plastic bleed screws to coolant lines E46     2 -0.5/+1 Nm
3AZ Level switch (WAF 30) to coolant expansion tank All     3 Nm
4AZ Bleed screw to water valve or auxiliary water pump E90 / E91     3.5 Nm