When replacing the alternator: Remounting the belt tensioner of the alternator
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
- Remove screws (arrows).
- Feed out and remove the belt tensioner of the alternator (1) .
- Make sure that the special tool 0 496 268 (11 0 390)
is fitted correctly.
- Replace alternator.
Parts: Alternator
- Feed in and install the belt tensioner of the alternator (1) .
- Tighten screws (arrows).
TIGHTENING TORQUE SPECIFICATIONS
| Belt tensioner to alternator/starter motor generator | ||
|---|---|---|
| M8X30 | Tightening torque | 28 Nm |
- Make sure that the special tool 0 496 268 (11 0 390) is fitted correctly.