2pc 12mm (1/2") 5x120 Hubcentric Wheel Spacers for 1996-2003 BMW 525i 528i 530i 540i M5 (74.1mm Bore) Black E39 525 528 530 540 [VERIFY FITMENT] Applicable for BMW E39. 1996-2003 525i 528i 530i 540i. 1999-2003 M5. Before purchasing, see Description section for specific year and models and also to read the Important Notes section. [SPECIFICATIONS] WHEEL SPACER Thickness: 1/2" (12mm). Bolt Pattern: 5x120. Hub Bore: 74.1mm | NO LUG BOLTS INCLUDED. Extended bolts required for proper installation [HUBCENTRIC DESIGN] Ensures exceptional wheel balance and eliminates chance of vibration. The 74.1mm bore ensures a tight fit on the hub. And the 74.1mm wheelcentric lip functions as an extension of the hub. [MANUFACTURING] Wheel Spacers are CNC Machined to exact specifications from Aerospace Billet Aluminum. Undergoes anodizing process to prevent corrosion. [PRODUCT BENEFITS] Gives your vehicle a more aggressive stance. Improves handling characteristics and stability. Fixes brake caliper clearance issues. Increases tire clearance to allow installation of wider wheels and tires.