23 00 Transmission in general
WARNING: This page is about a different car, the 2018 BMW 340i, 2017 BMW 340i, and 2016 BMW 340i. However, it is still accessible from the selected car via links, so may be relevant.
2300 TRANSMISSION IN GENERAL - TIGHTENING TORQUES SPECIFICATION
| Type | Thread | Instructions | Torque Specification | |
|---|---|---|---|---|
| Also refer to TRANSMISSION DESIGNATIONS | ||||
| 1AZ Transmission to engine (Aluminium screws/bolts are not magnetic). |
Replace aluminium screws. | |||
| Jointing torque and angle of rotation must be observed without fail. | ||||
| N55 | M12 | Jointing torque | 25 Nm | |
| Angle of rotation | 130° | |||
| N55/N47/B47/N20/S55/B58 | M8 | Steel screw | 19 Nm | |
| N55/N47/B47/S55/B58 | M12 | Steel screw | 66 Nm | |
| N55 | M10 | Steel screw | 38 Nm | |
| N20/S55 | M10 | Steel screw | 56 Nm | |
| Steel screws with Torx head | I-transmission | M8 | 19 Nm | |
| I-transmission | M10x40-8.8 | 38 Nm | ||
| I-transmission | M10x50-10.9 | 56 Nm | ||
| I-transmission | M12 | 66 Nm | ||
| 2AZ Oil drain plug/oil filler plug | K transmission (without S55) | Hexagon socket | 40 Nm | |
| K transmission (only S55) | Hexagon socket | 43±4 Nm | ||
| I-transmission | Hexagon socket | 43±4 Nm | ||
| I-transmission | M12x1.5 | 25 Nm | ||
| I-transmission | M18x1.5 | Steel screw without seal | 45 Nm | |
| 3AZ Cover plate to transmission | I-transmission | 7.6 Nm |