M4 GT4 Carbon Brake Ducts

Genuine OEM BMW M4 GT4 Race Brake Ducts 
 
Original Genuine BMW Motorsport parts.
 
The ducts attach to the front bumper that feed air through hosing and into the carbon brake cooling plates that sit behind the rotors. The other air feed comes from the front splitter. The front splitter can be purchased seperately HERE:
 
Comes as a pair with fixings to fix to front bumper. (4x Black Screws/4x Rivet Nut).
 
Option 1: Add 2x Genuine BMW Motorsport Duct Hose (item 2).
Option 2: Add 2x Genuine BMW Motorsport Brake Cooling Plates (item 1).
 
BMW ref:
c/ 51748431654
5174 8431653/ 5174 8431654