2013 BMW 135is Tire Size

The original tire size for your 2013 BMW 135is is listed below. Tap on the box to view a color-coded explanation of the best BMW 135is tire size.

Trim Options:

ConvertibleCoupe

215/40R18 85Y(Front)

Simplified Size:  215-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2013 BMW 135is is 215/40R18 85Y (Front).  A color-coded explanation of the 2013 BMW 135is's tire size is shown below.

215

This number indicates that your tire has a width of 215 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 86 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
18

The tire size was designed to fit rims or wheels that are 18 inches in diameter.

85

This tire has a load index of 85, which means it's capable of carrying a load of 1133 pounds (515 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

Y

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.

Trim Options:

ConvertibleCoupe

245/35R18 88Y(Rear)

Simplified Size:  245-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2013 BMW 135is is 215/40R18 85Y (Front).  A color-coded explanation of the 2013 BMW 135is's tire size is shown below.

245

This number indicates that your tire has a width of 245 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 85 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
18

The tire size was designed to fit rims or wheels that are 18 inches in diameter.

88

This tire has a load index of 88, which means it's capable of carrying a load of 1232 pounds (560 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

Y

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.