Maintenance (Tire Air Pressure): Notes
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The weight of the vehicle flattens the tire's contact patch. When the tire rolls, this results in deformation all around the circumference of the tread and the entire belt assembly. With low pressure, there is a greater deformation which results in more intense warming and greater rolling resistance. This all results in a greater wear and a greater safety risk.
Example: specified series production tire pressure depending on load on cold tires
| Air Pressure in bar (psi) | Air Pressure (%) | Service Life (%) |
|---|---|---|
| 2.3 (33.36) | 100 | 100 |
| 1.9 (27.56) | 80 | 85 |
| 1.4 (20.3) | 60 | 60 |
| 1.0 (14.5) | 40 | 25 |
Excessive air pressure leads to greater wear at the center of the tire and reduced rolling comfort. It is recommended always to maintain the air pressure indicated by the manufacturer.