# 2022 BMW Alpina B8 Gran Coupe Tire Size

Your BMW was manufactured with different tire sizes. To determine the best tire size for your specific 2022 BMW Alpina B8 Gran Coupe, we first need to determine your rim size. Please review the information below.

## How to Determine Rim Size

Check your existing tires. Your BMW Alpina B8 Gran Coupe'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.

## 20-Inch Rims

### 2022 BMW Alpina B8 Gran Coupe

The original tire size for your 2022 BMW Alpina B8 Gran Coupe is listed below. Tap on the box to view a color-coded explanation of your BMW Alpina B8 Gran Coupe's' tire size.

Trim Options:

### xDrive (20 Inch Option)

## 275/35ZR20/XL 102(Rear)

### Simplified Size: 245-40-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2022 BMW Alpina B8 Gran Coupe is **245/40ZR20/XL 99Y (Front)**. A color-coded explanation of the 2022 BMW Alpina B8 Gran Coupe'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. |

Trim Options:

### xDrive (20 Inch Option)

## 245/40ZR20/XL 99(Front)

### Simplified Size: 275-35-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2022 BMW Alpina B8 Gran Coupe is **245/40ZR20/XL 99Y (Front)**. A color-coded explanation of the 2022 BMW Alpina B8 Gran Coupe's tire size is shown below.

245 | This number indicates that your tire has a width of 245 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. | ||||||

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. | ||||||

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.
| ||||||

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. |

## 21-Inch Rims

### 2022 BMW Alpina B8 Gran Coupe

The original tire size for your 2022 BMW Alpina B8 Gran Coupe is listed below. Tap on the box to view a color-coded explanation of your BMW Alpina B8 Gran Coupe's' tire size.

Trim Options:

### xDrive

## 285/30ZR21/XL (100 )(Rear)

### Simplified Size: 245-35-21

Simplified size is useful for shopping and buying tires.

The original tire size for your 2022 BMW Alpina B8 Gran Coupe is **245/35ZR21/XL 96(Y) (Front)**. A color-coded explanation of the 2022 BMW Alpina B8 Gran Coupe's tire size is shown below.

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

21 | The tire size was designed to fit rims or wheels that are 21 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. | ||||||

100 | This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 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. | ||||||

30 | This number means that your tire has an aspect ratio of 30%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 30% 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.
| ||||||

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:

### xDrive

## 245/35ZR21/XL (96 )(Front)

### Simplified Size: 285-30-21

Simplified size is useful for shopping and buying tires.

The original tire size for your 2022 BMW Alpina B8 Gran Coupe is **245/35ZR21/XL 96(Y) (Front)**. A color-coded explanation of the 2022 BMW Alpina B8 Gran Coupe's tire size is shown below.

245 | This number indicates that your tire has a width of 245 millimeters. | ||||||

21 | The tire size was designed to fit rims or wheels that are 21 inches in diameter. | ||||||

XL | |||||||

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. | ||||||

Z | |||||||

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 |
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