2. Unlock and disconnect the connector (1).
3. Unscrew the screws (2).
4. Remove the amplifier (3) with the bracket in the direction indicated by the arrow.
5. Unscrew the screw (1).
6. Unscrew the nuts (2).
7. Remove the amplifier (3) from the bracket (4).
8. Installation should be carried out in the reverse order of removal, taking into account the above notes.
[This article is based on information from the website BMWman.ru]