Brake system upgrade kit for BMW G09 Brake system upgrade kit for BMW G09 Front axle: brake rotor 420-40mm(production – China); front hats made out of aluminum; bobinses made out of titanium; brake pads; Rear axle: brake rotor 398-28mm(production – China); front hats made out of aluminum; bobinses made out of titanium; brake pads; Category: BMW Date: October 17, 2024 Tags: Our Works ]