2022 BMW X7 Tire Size

The original tire size for your 2022 BMW X7 is listed below. Tap on the box to view a color-coded explanation of the best BMW X7 tire size.

The original tire size for your 2022 BMW X7 is 285/45R21/XL 113H.  A color-coded explanation of the 2022 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.

RRadial
BBias Belt
DDiagonal
H

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.