64 53 Refrigerant Lines and Expansion Valve
WARNING: This page does not describe the selected car, but rather 38 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. 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 | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Refrigerant lines to dryer bottle | E85 | M8 | 20 Nm | |
| 2AZ Refrigerant lines to expansion valve/double pipe | E46 / E83 / E85 / E87 / E90 / E91 | M8 | 20 Nm | |
| E53 | M8 | 18 Nm | ||
| 3AZ Adapter plate to expansion valve | E85 | M6 | 10 +/- 2 Nm | |
| 4AZ Expansion valve to heater - A/C | E85 | M5 | 3.5 +/- 0.7 Nm | |
| 5AZ Refrigerant line to bulkhead | E85 | M6 | 8.6 Nm | |
| 6AZ Refrigerant lines to condenser | E85 / E60 / E61 / E63 / E64 / E87 / E90 / E91 | 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 | |
| E85 | M5 | 3.5 +/- 0.7 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 / E87 / E90 / E91 | 3.0 +/- 0.5 Nm | ||
| 13AZ Expansion valve to retainer | E87 / E90 / E91 | M6 | 8.0 Nm |