1993 BMW 740i Tire Size

The original tire size for your 1993 BMW 740i is listed below. Tap on the box to view a color-coded explanation of the best BMW 740i tire size.

225/60ZR15

Simplified Size:  225-60-15

Simplified size is useful for shopping and buying tires.

The original tire size for your 1993 BMW 740i is 225/60ZR15.  A color-coded explanation of the 1993 BMW 740i's tire size is shown below.

225

This number indicates that your tire has a width of 225 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 135 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.

RRadial
BBias Belt
DDiagonal
15

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