2003 BMW 330xi Tire Size

The original tire size for your 2003 BMW 330xi is listed below. Tap on the box to view a color-coded explanation of the best BMW 330xi tire size.

205/50R17/RF 93V

Simplified Size:  205-50-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2003 BMW 330xi is 205/50R17/RF 93V.  A color-coded explanation of the 2003 BMW 330xi's tire size is shown below.

205

This number indicates that your tire has a width of 205 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 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
17

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

RF

The mark of RF indicates that the tire is reinforced.  This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load.

93

This tire has a load index of 93, which means it's capable of carrying a load of 1430 pounds (650 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

V

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.