SID 12-Point Titanium Alloy Wheel Lug Nuts M12x1.5mmx20mm Kit Fow BMW E Series（20pcs）

• Material: Ti6AL4V titanium
• Matched for both vehicle and wheel (car reference)
• Weight:16 gram/0.6 ounce per piece
• Tensile Strength: 900~1050Mpa (130,000 -152,000 psi)
• Application: Wheel Lug Nuts for Automobile

You can use thess 12-point wheel lug nuts instead of lug nuts of hexgon driver, you may need studs: 

https://shop.sid-metal.net/products/sid-titanium-wheel-studs-for-bmw-e-series-e9x-e46-e30-20pcs