1991 BMW 325ix Base Model Bolt Pattern


Bolt Pattern
4x100mm = 4x3.94 inches
Tire Sizes
205/55R15 = 23.9x8.1R15

The 1991 BMW 325ix Base Model bolt pattern is 4-100 mm. This means there are 4 lugs and the diameter of the circle that the lugs make up measures 100 mm or 3.94 inches across. To get a close measurement of your 4 lug bolt pattern without a bolt pattern tool you should measure from the center of one lug to the center of the lug across from it.