11 27 COUNTERBALANCE SHAFTS (430i, 430i xDrive, 430i GranCoupe, 430i GranCoupe xDrive)
11 27 DUAL-MASS BALANCE - TIGHTENING TORQUE SPECIFICATION
| |
Type |
Thread |
Tightening specifications |
Dimension |
| 1AZ Gear to counterbalance shaft |
B42S20O0/B46M0/O0/B48M0/O0 |
M10 |
1. Joining torque |
20 Nm |
| 2. Angle of rotation |
180° |
| 2AZ Idler gear to crankcase |
B42S20O0/B46M0/O0/B48M0/O0 |
M12 |
1. Joining torque |
10 Nm |
| 2. Angle of rotation |
45° |
| Preloading the spring balance to tighten the idler gear |
| Spring balance |
Preload |
30-40 N |
| Special tool 2 288 054 to crankshaft |
| |
tightening torque |
20 Nm |