Removing belt tensioner of 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.
WARNING:
Hot surfaces
.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
Preliminary work
- Refer to REMOVING THE FRONT-END STRUT .
- Refer to REMOVING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
- Refer to REMOVING THE FRONT SPOILER .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE LEFT AND RIGHT FRONT UNDERSHIELD .
- Refer to REMOVING THRUST FIELD .
CAUTION:
Component with preload
.
Injury hazard!
Injury hazard!
- Reduce preload as far as possible before disassembly. Relieve component.
- Raise the preload with standard tools (1) on the belt tensioner in the arrow direction .
- Secure the belt tensioner with the special tool 0 496 268 (11 0 390)
.
- Feed out the drive belt for alternator (1) from the alternator (2) and set aside.
- Using a standard tool (1), increase the preload on the alternator belt tensioner by turning it in the direction of the arrow .
- Guide the special tool 0 496 268 (11 0 390)
out and remove.
- Remove screws (arrows).
- Remove belt tensioner of the alternator (1).