Replacing the post amplifier
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.
NOTE:
Schematic diagram is for example purposes. Some parts may differ in certain details.
- Loosen screw (1).
- Guide out post amplifier (2) with the guides (3) below on the holder (4).
- Remove the post amplifier (2).
- Replace the post amplifier (2).
Parts: Post amplifier
- Feed in the post amplifier (2) with the guides (3) below on the holder (4) and position it correctly.
- Tighten down screw (1).
TIGHTENING TORQUES SPECIFICATION
| Post amplifier to holder | ||
| Screw | tightening torque | 3.3 Nm |