64 53 Refrigerant Lines and Expansion Valve
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. 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 | 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, E90, E91, E92, E93 | M8 | 20 Nm |
| E53 | M8 | 18 Nm | |
| 3AZ Adapter plate to expansion valve | E85, E86 | M6 | 10 ± 2 Nm |
| 4AZ Expansion valve to heater - A/C | E85, E86 | 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, 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 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 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, 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 |