2014 BMW F11 520d factory brake system upgraded with ATRT high performance big braking system.

[Touring Specification] 
Front : ATRT ZS-III forged Big 8-piston brake caliper + Ø380mm 2-piece floating brake disc.
Rear : HHC Ø370mm brake disc.

[Feature]
#Forge Products (Material 6061-T6 from Taiwan)   
#CNC mrilling machine Proces                            
#Anodizing Aluminium Proces                             
#2 cooling vents patents designed by ATRT racing