2009 BMW X3 Tire Size

Your BMW was manufactured with different tire sizes.  To determine the best tire size for your specific 2009 BMW X3, we first need to determine your rim size.  Please review the information below.

How to Determine Rim Size

Check your existing tires.  Your BMW X3's rim size is the number to the right of the R.  In the example pictured here, the tire size fits 16-inch rims.

Rim Size Selection

Now that you know your rim size, make a selection below to filter your results.

17-Inch Rims

2009 BMW X3

 

The original tire size for your 2009 BMW X3 is listed below. Tap on the box to view a color-coded explanation of your BMW X3's' tire size.

Trim Options:

xDrive30i

235/55R17 99H

Simplified Size:  235-55-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2009 BMW X3 is 235/55R17 99H.  A color-coded explanation of the 2009 BMW X3's tire size is shown below.

235

This number indicates that your tire has a width of 235 millimeters.

55

This number means that your tire has an aspect ratio of 55%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width.  In this case, the sidewall height works out to be 129 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
17

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

99

This tire has a load index of 99, which means it's capable of carrying a load of 1705 pounds (775 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.

18-Inch Rims

2009 BMW X3

 

The original tire size for your 2009 BMW X3 is listed below. Tap on the box to view a color-coded explanation of your BMW X3's' tire size.

Trim Options:

xDrive30ixDrive30i w/Sport Pkg.

235/50R18 97H

Simplified Size:  235-50-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2009 BMW X3 is 235/50R18 97H.  A color-coded explanation of the 2009 BMW X3's tire size is shown below.

235

This number indicates that your tire has a width of 235 millimeters.

50

This number means that your tire has an aspect ratio of 50%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width.  In this case, the sidewall height works out to be 117 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.

97

This tire has a load index of 97, which means it's capable of carrying a load of 1606 pounds (730 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.

19-Inch Rims

2009 BMW X3

 

The original tire size for your 2009 BMW X3 is listed below. Tap on the box to view a color-coded explanation of your BMW X3's' tire size.

Trim Options:

xDrive30i w/Sport Pkg.

235/45R19 95W(Front)

Simplified Size:  235-45-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2009 BMW X3 is 235/45R19 95W (Front).  A color-coded explanation of the 2009 BMW X3's tire size is shown below.

235

This number indicates that your tire has a width of 235 millimeters.

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 105 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
19

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

95

This tire has a load index of 95, which means it's capable of carrying a load of 1518 pounds (690 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

W

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

xDrive30i w/Sport Pkg.

255/40R19 96W(Rear)

Simplified Size:  255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2009 BMW X3 is 235/45R19 95W (Front).  A color-coded explanation of the 2009 BMW X3'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.

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.

96

This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

W

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.