21 52 Clutch Operation (Hydraulic)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
CLUTCH OPERATION (HYDRAULIC) - TIGHTENING TORQUE
| Application | Type | Thread | Tightening specification |
|---|---|---|---|
| 1AZ Hydraulic line to clutch slave cylinder or throttle. | E36 / E38 / E39 / E52 / E53 / E60 / E61 / E63 / E64 / E83 / E85 / E86 / E81 / E87 / E90 / E91 / E92 | 14.5 Nm | |
| E46 | 20 + 5 Nm | ||
| 2AZ Clutch master cylinder to bearing block | E36 / E38 / E39 / E46 / E52 / E53 / E60 / E61 / E63 / E64 / E85 / E86 / E87 / E90 / E91 / E92 / E93 | 22 Nm | |
| E83 | 8 Nm | ||
| 3AZ Fitting screw, clutch master cylinder | E36 / E38 / E39 / E46 / E52 / E53 / E60 / E61 / E63 / E64 / E83 / E85 / E86 / E87 / E90 / E91 / E92 / E93 | 22 Nm | |
| 4AZ Clutch master cylinder to pedal assembly | E36 / E38 / E39 / E46 / E52 / E53 / E60 / E61 / E63 / E64 / E83 / E85 / E86 / E87 / E90 / E91 / E92 / E93 / E81 / E82 / E88 | 9 Nm | |
| 5AZ Clutch slave cylinder to clutch housing/transmission case | E36 / E38 / E39 / E46 / E52 / E53 / E60 / E61 / E63 / E64 / E83 / E85 / E86 / E87 / E90 / E91 / E92 / E93 / E81 / E82 / E88 | 22 Nm | |
| E60 / E63 | 7-speed SMG | 25 Nm | |
| 6AZ Pressure accumulator to hydraulic unit | E36 / M3 | 35 Nm | |
| 7AZ Coupling bolts for hydraulic pipes | E46 / M3 | 14 Nm | |
| 8AZ Pressure accumulator for hydraulic unit | E46 / M3 | 40 Nm | |
| 9AZ Clutch position sensor to clutch slave cylinder | E46 / E60 / E61 / E63 / E64 / E85 | 6-speed SMG | 2.5 Nm |
| E60 / E61 / E63 | 7-speed SMG | 3.5 Nm | |
| 10AZ Banjo bolt, pipe, actuator/pump block | E60 / E61 / E63 | 7-speed SMG | 18 Nm |
| 11AZ Filler plug, expansion tank, pump block | E60 / E61 / E63 | 7-speed SMG | 2.1 Nm |
| 12AZ Throttle valve to clutch slave cylinder | E60, E61 | 17 Nm |