BMW 335 upgraded with ATRT high performance braking system. 

[Touring Specification] 

ATRT ZS-IV Big 6-piston brake caliper + Ø355mm 2-pieces Cross-Drilled & Slotted Rotors.

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



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