2008 BMW M6 Tire Size

The original tire size for your 2008 BMW M6 is listed below. Tap on the box to view a color-coded explanation of the best BMW M6 tire size.

255/40ZR19(Front)

Simplified Size:  255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2008 BMW M6 is 255/40ZR19 (Front).  A color-coded explanation of the 2008 BMW M6's tire size is shown below.

255

This number indicates that your tire has a width of 255 millimeters.

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 102 millimeters.

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.

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
19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

285/35ZR19(Rear)

Simplified Size:  285-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2008 BMW M6 is 255/40ZR19 (Front).  A color-coded explanation of the 2008 BMW M6's tire size is shown below.

285

This number indicates that your tire has a width of 285 millimeters.

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.

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.

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
19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.