2021 BMW M5 Tire Size
The original tire size for your 2021 BMW M5 is listed below. Tap on the box to view a color-coded explanation of the best BMW M5 tire size.
285/35ZR20/XL (104)(Rear)
Simplified Size: 275-35-20
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 BMW M5 is 275/35ZR20/XL 102(Y) (Front). A color-coded explanation of the 2021 BMW M5's tire size is shown below.
285 | This number indicates that your tire has a width of 285 millimeters. | ||||||
20 | The tire size was designed to fit rims or wheels that are 20 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. | ||||||
104 | This tire has a load index of 104, which means it's capable of carrying a load of 1980 pounds (900 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
Z | This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (240 km/h). A tire's speed class is less specific than the speed rating. | ||||||
35 | This number means that your tire has an aspect ratio of 35%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width. In this case, the sidewall height works out to be 99 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 Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
275/35ZR20/XL (102)(Front)
Simplified Size: 285-35-20
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 BMW M5 is 275/35ZR20/XL 102(Y) (Front). A color-coded explanation of the 2021 BMW M5's tire size is shown below.
275 | This number indicates that your tire has a width of 275 millimeters. | ||||||
20 | The tire size was designed to fit rims or wheels that are 20 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. | ||||||
102 | This tire has a load index of 102, which means it's capable of carrying a load of 1870 pounds (850 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
Z | This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (240 km/h). A tire's speed class is less specific than the speed rating. | ||||||
35 | This number means that your tire has an aspect ratio of 35%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width. In this case, the sidewall height works out to be 96 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |