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What is the appropriate tire pressure for BMW X3 run-flat tires?

1 Answers

LilaLynn

07/29/25 6:02pm

BMW X3 tire pressure can generally be maintained between 2.2-2.5 bar. Below are detailed explanations: 1. Tire Pressure: The manufacturer's recommended tire pressure values can usually be found in the vehicle user manual, on the label near the driver's side door, in the drawer next to the driver's seat, or on the fuel tank cap. The manufacturer's recommended tire pressure refers to the cold tire pressure. Strictly speaking, tire pressure refers to the air pressure inside the tire. Tire pressure is critical to tire performance; both overinflation and underinflation can shorten the tire's lifespan. 2. Underinflation: Insufficient tire pressure increases tire deformation, leading to cracks on the tire sidewalls. It also causes excessive flexing, generating heat that accelerates rubber aging, fatigue in the cord layers, and cord breakage. Additionally, underinflation increases the tire's contact area with the road, accelerating wear on the tire shoulders. 3. Overinflation: Excessive tire pressure overstretches the tire cords, reducing the tire's elasticity. This increases the load on the vehicle while driving, making the tire more susceptible to internal cracks and blowouts upon impact. Overinflation also accelerates tread wear and reduces puncture resistance.

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