Are wheel spacers safe on BMW 5 Series G30?
Technically, yes, they are totally safe. One of the essential parts of wheel spacers safety is the material. BONOSS forged lightweight plus wheel spacers applied Forged 6061-T6 Aluminum alloy, which is high strength, great toughness, and good corrosion resistance. And the Black Hard Coat Anodizing process provides the surface with better abrasion resistance, flame resistance and smoother and harder finish protection than regular paint or metal plating. They are manufactured with a tolerance of 0.02mm, which means perfectly fit, no additional force, no vibration, no annoying noise, less energy loss, less fatigue damage, longer service life.