BMW 330i Wheel Lug Patterns, Offset ET, and Center Bore Reference

The BMW 330i features specific wheel lug patterns and fitment parameters crucial for proper wheel mounting. Typically, the lug pattern combines lug count and pitch circle diameter (PCD) measured in millimeters, defining the precise bolt layout for the wheel. Alongside this, offset ET and center bore ensure wheels fit securely and perform optimally.\n\nAcross various model years, the BMW 330i commonly utilizes a 5x112 bolt pattern with an offset ET ranging between 30 to 40 mm, and a center bore of 66.5 mm. Rim sizes vary, typically between 17- to 19-inch diameters, depending on the year and trim. These specs are essential when selecting aftermarket or replacement wheels.\n\nAccurate knowledge of the bolt pattern, offset, and center bore is critical for matching wheels to the BMW 330i. Incorrect specifications can cause clearance issues, improper handling, or unsafe wheel installation. This catalog provides year-sorted technical data to assist owners and professionals in identifying the correct wheel fitment for each BMW 330i variant.\n\nWhether upgrading wheels or replacing tires, always verify the lug pattern, offset ET, and center bore from trusted references to maintain vehicle safety and performance.