You are buying a set of 4 QTY Black 5x4.75 Hubcentric automotive wheel spacer adapters. These wheel spacers are 15 mm (2 qty) and 20 mm (2 qty) per side and will fit most vehicles with a 5x4.75 bolt pattern M12-1.5 stud size and 72.56 mm hub center bore . Each spacer has been manufactured with a hubcentric lip to fit on the vehicle and wheel hub snugly thus preventing rattling or vibrating. Please measure your studs first to be sure they fit on your vehicle. Quantity: 4 QTY pieces/rings Color: Black Vehicle Bolt Pattern: 5x4.75 Wheel Bolt Pattern: 5x4.75 Stud Size: M12-1.5 Center Bore: 72.56 mm Thickness: 15 mm (2 qty) and 20 mm (2 qty) Fits the below models: Includes a 10 QTY of Black 12x1.5 40mm length lug bolts and a 10 QTY of Black 12x1.5 50mm length lug bolts Fits: BMW: 1 Series E82 E88 - 128i 135i M1 1M Coupe 3 Series E30 - M3 3 Series E36 - 318i 318is 318ti 325i 325is 328i 328is M3 3 Series E46 - 323ci 323i 325ci 325i 325xi 328ci 328i 330ci 330i 330xi M3 3 Series E90 E91 E92 E93 - 325i 325xi 328i 328xi 330i 330xi 335d 335i 335is 335xi M3 5 Series E28 E34 - 525i 528e 530i 535i 535is 540i M5 5 Series E60 E61 - 525i 525xi 528i 530i 530xi 535i 535xi 545i 550i M5 6 Series E24 E63 E64 - 633i 635i 645ci 650i M6 7 Series E23 E32 E38 - 730i 730il 733i 735i 735il 740i 740il 750i 750il 8 Series E31 - 840ci 840i 850ci 850i 1996-02 Z3 Typ RC 1998-02 M-Coupe/Roadster Typ MRC 2003-09 Z4 E85 E89 2006-08 Z4 M Coupe/Roadster M85 2000-03 Z8 E52 Warranty: We provide a lifetime warranty on all of our wheel spacers and guarantee YOUR satisfaction! Questions about fitment or installation? Our team of product specialists can help you today!