1153 HEAT EXCHANGE MODULE, TURBOCHARGER COOLANT LINES (230i and 230i xDrive coupe/convertible)
1153 THERMOSTAT AND COOLANT LINES - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Coolant line to exhaust turbocharger | B42S20O0/B46M0AD0/B48M0AD0 | M6 | Replace O-ring. | 10 Nm |
| 2AZ Coolant line to crankcase | B42S20O0/B46M0AD0/B48M0AD0 | M6 | Replace O-ring. | 10 Nm |
| 3AZ Heat exchange module to crankcase | B42S20O0/B46M0AD0/B48M0AD0 | M6 | 8 Nm | |
| 4AZ Coolant return line to exhaust turbocharger | B42S20O0/B46M0AD0/B48M0AD0 | M6x12 | 8 Nm | |
| 5AZ Connecting bracket to engine block | B42S20O0/B46M0AD0/B48M0AD0 | M6x25 | 8 Nm |