1993 BMW M5 Tire Size

The original tire size for your 1993 BMW M5 is listed below. Tap on the box to view a color-coded explanation of the best BMW M5 tire size.

235/45ZR17

Simplified Size:  235-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 1993 BMW M5 is 235/45ZR17 .  A color-coded explanation of the 1993 BMW M5's tire size is shown below.

235

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

17

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

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.

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