64 53 Refrigerant Lines and Expansion Valve
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - 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 |