Small part. Big improvement. We’ve released our own BMW brake rotor set screw, designed and tested in-house to solve a problem many BMW owners know too well. The OE-style screws are made from mild steel, making them highly susceptible to corrosion and seizing. Add a 6mm internal hex, and it’s only a matter of time before one rounds out and turns a simple brake job into a headache. Our solution uses a stainless steel construction to resist corrosion from the start, paired with a T40 internal Torx