This car wheel spacer has a thickness of 30 mm and includes a centering flange. It is made from duralumin PA6, features M14x1.5 threaded pins, and the hole dimensions are 5x120mm. The spacers come with nuts for securing them to the hubs (M14 x 1.5) and the hardness of the bolts is 10.9.

The spacers are compatible with the following BMW models:

• BMW 7 Series 730i (E-G30) 1990-1992
• BMW 7 Series 730i (E-GD30) 1992-1994
• BMW 7 Series 735i (E-G35) 1989-1992
• BMW 7 Series 735iL (E-L35) 1989-1992
• BMW 7 Series 740i (E-GD40) 1992-1994
• BMW 7 Series 740iL (E-GD40L) 1992-1994
• BMW 7 Series 750i (E-GB50) 1990-1992
• BMW 7 Series 750iL (E-G50) 1987-1992
• BMW 8 Series 840Ci (E-E40) 1994-1996
• BMW 8 Series 850i (E-E50) 1990-1991

The spacers are durable and lightweight, ensuring precise wheel centering and preventing vibrations. They are made from hard aluminum with pressed pins or steel rings that prevent thread stripping.