64 53 Refrigerant Lines and Expansion Valve

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

REFRIGERANT LINES AND EXPANSION VALVE-TIGHTENING TORQUE SPECIFICATIONS

		Type	Thread	Measure
1AZ	Refrigerant lines to dryer bottle	E83, E85, E86	M8	20 Nm
2AZ	Refrigerant lines to expansion valve/double pipe	E46, E83, E85, E86, E81, E82, E87, E88, E89, E90, E91, E92, E93	M8	20 Nm
		E53	M8	18 Nm
3AZ	Adapter plate to expansion valve	E85, E86, E89	M6	10 ± 2 Nm
4AZ	Expansion valve to heating and air-conditioning unit	E85, E86, E89	M5	5.5 Nm
5AZ	Refrigerant line to bulkhead	E85, E86	M6	8.6 Nm
6AZ	Refrigerant lines to condenser	E60, E61, E63, E64, E81, E82, E83, E85, E86, E87, E88, E89, E90, E91, E92, E93	M8	20 Nm
7AZ	Refrigerant lines to expansion valve	E60, E61, E63, E64	M6	8.8 Nm
8AZ	Refrigerant line to assembly compartment partition reinforcement	E60, E61, E63, E64	M6	7.6 Nm
9AZ	Expansion valve to heating and air-conditioning unit	E46, E60, E61, E63, E64, E83	M5	5.5 Nm
10AZ	Refrigerant line to body	E46, E83	M6	5.5 Nm
11AZ	Double pipe to expansion valve	E46, E83	M6	8.0 Nm
12AZ	Screw plug to condenser	E53, E81, E82, E87, E88, E90, E91, E92		3.0±0.5 Nm
13AZ	Expansion valve to retainer	E81, E82, E87, E88, E90, E91, E92, E93	M6	5.5 Nm
14AZ	Pressure sensor in refrigerant line	E53, E60, E61, E63, E64, E65, E66, E81, E82, E83, E85, E86, E87, E88, E89, E90, E91, E92, E93		10 Nm
15AZ	Refrigerant line to adapter line	E60/N53, E61/N53, E63/N53, E64/N53, E60/N54, E61/N54		18 Nm