Brake Pad Thickness
WARNING: This page is about a different car, the 2004 BMW Z4 and 2003 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The thickness of outer brake pads can be determined without removing wheels.
NOTE:
Numbers in text refer to numbers in figures.
- If necessary, move car until opening for brake pad wear indicator can be seen through rim styling.
- Insert Special Tool (34 1 260) through rim into opening for brake pad wear indicator.
- Press special tool onto brake pad. 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 brake pad thickness is .11" (3 mm). Maximum machining limit per friction ring side is .031" (.8 mm). For minimum thickness see BRAKE PAD MINIMUM THICKNESS table.
BRAKE PAD MINIMUM THICKNESS
| Location | Minimum Thickness In. (mm) | |
|---|---|---|
| Front | .80 (20.4) | |
| Rear | ||
| 2.5L (Solid) | .33 (8.4) | |
| 3.0L (Ventilated) | .68 (17.4) | |