All parts › BMW M4 CSL › Wheel assemblies › Front left wheel › Tire › Bead
Bead
Part of Tire
What it is
Steel-wire hoop at the tire edge.
What it does
Locks the tire to the rim under pressure.
How it fails
Lube beads when mounting to avoid damage.
| Material | High-tensile steel wire bundle |
|---|---|
| Spec | Seat pressure 3.5 bar |