2024-2026+ Zeekr X Carbon Ceramic Big Brake Kit — Alcon RC6 6-Piston A4 If your car has smaller

If your car has smaller single- or twin-piston front calipers

so no caliper change is needed

and does the parking brake still work

Wheel Size M440i/M440d 348mm

Any carbon-ceramic disc bites a little less than cold iron on the very first stops

2024-2026+ Zeekr X Carbon Ceramic Big Brake Kit — Alcon RC6 6-Piston A4 If your car has smallerReal Customer Builds & Reviews View All Will This Fit My Car? Full Upgrade CCB Big Brake Kits (With Calipers) for the 2024 2026+ Zeekr X. This page's exact brake setup: Model Years Front Setup Rear Setup Min. Wheel Size 2024 2026+ Alcon RC6 6 Piston Caliper 380mm Alcon RC4 4 Piston Caliper 380mm 19" Fitment here is bespoke: brackets, hat offsets, and caliper mounting are engineered for your exact model and trim rather than copied across the platform.