Thickness Of Brake Lining
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 BMW M5, 2003 BMW 540i, 2003 BMW 530i, 2003 BMW 525i, and 2002 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Thickness of outer brake linings can be determined without removing wheels.
NOTE:
Numbers in text apply to numbers in figures.
- If necessary, move car until opening for brake lining wear indicator can be seen through rim styling.
- Insert Special Tool (34 1 260) through rim into opening for brake lining wear indicator.
- Press special tool onto brake lining. Slide ring (1) in direction of arrow as far as it will go and read off measured value. See Fig 1.
- Minimum thickness for all models is stamped in brake disc shell. Wear warning from residual lining thickness is .11" (3 mm). Maximum machining limit per friction ring side is .03" (.8 mm). For minimum thickness see BRAKE LINING MINIMUM THICKNESS table.
BRAKE LINING MINIMUM THICKNESS
| Vehicle | Location | Minimum Thickness INCHES (mm) |
|---|---|---|
| 5-Series, Ventilated | Front | .8 (20.4) |
| 540i | Front | 1.1 (28.4) |
| 5-Series, Solid | Rear | .3 (8.4) |
| 5-Series, Ventilated | Rear | .8 (20.4) |