64 53 Refrigerant Lines and Expansion Valve
WARNING: This page is about a different car, the 2011 BMW M3, 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.
TIGHTENING TORQUE SPECIFICATION - REFRIGERANT LINES AND EXPANSION VALVE
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Refrigerant lines to dryer flask | 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 | ||
| E84 | M8 | 18.5 NM | ||
| 3AZ Adapter plate to expansion valve | E85, E86, E89 | M6 | 10 ± 2 Nm | |
| 4AZ Expansion valve to heater - A/C | E85, E86, E89 | M5 | 5.5 Nm | |
| 5AZ Refrigerant line to heater end panel | E85, E86 | M6 | 8.6 Nm | |
| 6AZ Refrigerant lines to capacitor | E60, E61, E63, E64, E81, E82, E83, E85, E86, E87, E88, E89, E90, E91, E92, E93 | M8 | 20 Nm | |
| E84 | M8 | 18.5 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 heater - A/C | 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 capacitor | E53, E81, E82/E84, E87, E88, E90, E91, E92 | 3.0 ± 0.5 Nm | ||
| 13AZ Expansion valve to retaining clip | E81, E82, E84, 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, E84, E85, E86, E87, E88, E89, E90, E91, E92, E93 | 10 Nm | ||
| 15AZ Refrigerant line to adapter lead | E60/N53, E61/N53, E63/N53, E64/N53, E60/N54, E61/N54 | 18 Nm |