11 28 Drive belt, belt tensioner, and idler pulley
WARNING: This page is about a different car, the 2018 BMW 330i and 2017 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.
11 28 DRIVE BELT WITH BELT TENSIONER AND IDLER PULLEY - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Belt tensioner with deflection pulley to crankcase | B46M0/O0/B48M0/O0 | M10 | 30 Nm | |
| 2AZ Belt tensioner to alternator | B46M0/O0/B48M0/O0 | M8 | 22 Nm | |
| 3AZ Idler pulley to belt tensioner | B46M0/O0/B48M0/O0 | M8 | 20 Nm |