# 1997 BMW 318is Tire Size

Your BMW was manufactured with different tire sizes. To determine the best tire size for your specific 1997 BMW 318is, we first need to determine your rim size. Please review the information below.

## How to Determine Rim Size

Check your existing tires. Your BMW 318is'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.

## 15-Inch Rims

### 1997 BMW 318is

Your 1997 BMW 318is was manufactured with multiple tire sizes. Choose a tire size below to get a color-coded explanation of the differences. Then pick the best tire size for your 1997 BMW 318is.

## 205/60R15 91

### Simplified Size: 205-60-15

Simplified size is useful for shopping and buying tires.

The original tire size for your 1997 BMW 318is is **205/60R15 91H**. A color-coded explanation of the 1997 BMW 318is's tire size is shown below.

205 | This number indicates that your tire has a width of 205 millimeters. | ||||||

60 | This number means that your tire has an aspect ratio of 60%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 60% of the width. In this case, the sidewall height works out to be 123 millimeters. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||

15 | The tire size was designed to fit rims or wheels that are 15 inches in diameter. | ||||||

91 | This tire has a load index of 91, which means it's capable of carrying a load of 1353 pounds (615 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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. |

## 225/55R15 92

### Simplified Size: 225-55-15

Simplified size is useful for shopping and buying tires.

The original tire size for your 1997 BMW 318is is **225/55R15 92V**. A color-coded explanation of the 1997 BMW 318is's tire size is shown below.

225 | This number indicates that your tire has a width of 225 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 123 millimeters. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||

15 | The tire size was designed to fit rims or wheels that are 15 inches in diameter. | ||||||

92 | This tire has a load index of 92, which means it's capable of carrying a load of 1386 pounds (630 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 16-Inch Rims

### 1997 BMW 318is

The original tire size for your 1997 BMW 318is is listed below. Tap on the box to view a color-coded explanation of your BMW 318is's' tire size.

## 225/50ZR16

### Simplified Size: 225-50-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 1997 BMW 318is is **225/50ZR16**. A color-coded explanation of the 1997 BMW 318is's tire size is shown below.

225 | This number indicates that your tire has a width of 225 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 112 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.
| ||||||

16 | The tire size was designed to fit rims or wheels that are 16 inches in diameter. |