2021 BMW X7 Tire Size
The original tire size for your 2021 BMW X7 is listed below. Tap on the box to view a color-coded explanation of the best BMW X7 tire size.
Trim Options:
xDrive40i
285/45R21/XL 113
Simplified Size: 285-45-21
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 BMW X7 is 285/45R21/XL 113H. A color-coded explanation of the 2021 BMW X7's tire size is shown below.
285 | This number indicates that your tire has a width of 285 millimeters. | ||||||
21 | The tire size was designed to fit rims or wheels that are 21 inches in diameter. | ||||||
XL | The mark of XL means extra load. A tire with this designation can handle higher inflation pressures than a regular tire, which increases its maximum load. | ||||||
113 | This tire has a load index of 113, which means it's capable of carrying a load of 2530 pounds (1150 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
45 | This number means that your tire has an aspect ratio of 45%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width. In this case, the sidewall height works out to be 128 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
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This tire has a speed rating of H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |