2003 BMW M5 Tire Size
The original tire size for your 2003 BMW M5 is listed below. Tap on the box to view a color-coded explanation of the best BMW M5 tire size.
275/35ZR18(Rear)
Simplified Size: 245-40-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2003 BMW M5 is 245/40ZR18 (Front). A color-coded explanation of the 2003 BMW M5's tire size is shown below.
275 | This number indicates that your tire has a width of 275 millimeters. | ||||||
18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||
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.
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245/40ZR18(Front)
Simplified Size: 275-35-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2003 BMW M5 is 245/40ZR18 (Front). A color-coded explanation of the 2003 BMW M5's tire size is shown below.
245 | This number indicates that your tire has a width of 245 millimeters. | ||||||
18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||
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. | ||||||
40 | This number means that your tire has an aspect ratio of 40%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width. In this case, the sidewall height works out to be 98 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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