64 53 Refrigerant Lines and Expansion Valve
WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. 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 | ||