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52μ friction coefficient once bedded
– Race-derived G3500 grade high-carbon cast-iron is used for the friction rings
Their cover fits on the original mounting locations
Part Number: MMR45-1001
- Replaces (not removes) secondary cats for better flow and sound
Genuine BMW OEM Front Right Radiator Duct For BMW F80 M3 & F82/F83 M4 Porsche 52μ friction coefficient once beddedThe Genuine BMW OEM Front Right Radiator Duct (Part No. 51748054266) is a factory original replacement designed to channel air efficiently into the radiator system of your BMW F80 M3 or F82 F83 M4. By ensuring optimal airflow, this duct helps regulate engine temperatures and maintain consistent cooling performance, even during demanding driving conditions. Manufactured to BMWs precise standards, this duct offers perfect fitment, durability, and long