2025-2026+ BMW X3 M50 (G45) Carbon Ceramic Brake Rotors 7 Series and the low-metallic pad produces

and the low-metallic pad produces far less of the black dust that coats M135i wheels

The rotors also cut rotating and unsprung mass over the factory iron discs

They also cut unsprung and rotating weight versus iron

Both trims share the 356mm rear

not a full brake system

2025-2026+ BMW X3 M50 (G45) Carbon Ceramic Brake Rotors 7 Series and the low-metallic pad producesReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2025 2026+ BMW X3 M50 (G45). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size X3 M50 374mm, 395mm 345mm 20" Keep Your Factory Calipers? The rule is simple: front factory calipers must be 4 piston or more; the rear has no limit. A 1 or 2