Rim diameter: In order obd2 to improve vehicle performance and increase

Rim diameter: In order obd2 to improve vehicle performance and increase the rim is the current hot upgrade, in the case of the tire outside diameter unchanged, increase the rim with the wide and flat in the tire, which can effectively reduce the lateral oscillation of the car, so thatThe stability of the vehicle can be improved. When cornering like a superficial, lightweight passing. It should be noted, however, that rim the larger, more flat tires, the worse its vibration absorption performance, comfort necessary to make a greater sacrifice. In general, according to the size of the original wheel circle increase twelve most appropriate specifications.

4, the width of the rim: usually 5.5J, 6J, 7J, said in units of inches, the groove shape J-type. Usually 195mm obd2  wide tires, 6 inch wheels, 215mm width corresponding to the 7-inch wheels.

5, the center hole: when installing the wheels, the center hole of the rim and the axle center consistent models of various brands are not the same. 72.5mm, like BMW, Audi to 57mm, and if the center hole of the rim is too big, you need to install a center hole collar, otherwise the wheels will be in the rotation jitter.

In addition, the replacement of the aluminum wheels should determine whether the quality, reliable, or SI-Reset BMW  internationally renowned brand through quality certified products, in order to avoid poor quality aluminum wheels and a threat to traffic safety. Famous certification, such as the German TUV, Japanese VIA / the JWL and the U.S. DOT-T. These certification although standards vary, but they can ensure the excellent quality of the wheels. , Modified after the tires and wheels, wheel alignment, in order to avoid deviation or tire wear phenomenon.