The genuine BMW M Front Left Brake Air Duct (51748075477) is compatible with the BMW 2 Series F44 Gran Coupé with M Aerodynamics Package (S715A=Yes), from October 2018 onwards.
This genuine OEM BMW M front left brake air duct (51748075477) directs cooling airflow towards the front left braking system to help maintain efficient brake temperatures during normal and demanding driving conditions. According to the BMW parts catalogue, this component is the left brake air duct used exclusively on vehicles equipped with the M Aerodynamics Package (option S715A=Yes) and has been applicable from 04 November 2019 onwards.
As a genuine OEM BMW part supplied by the original manufacturer, it provides the precise fit, durability and quality required to maintain the original brake cooling system and factory specification. Replacing a damaged or missing brake air duct helps ensure correct airflow to the braking components while preserving the intended performance and protection of the front brake assembly.
Part 51748075477 is identified as number 07 in the diagram.
For vehicles:
- with M Aerodynamics package S715A=Yes
Bumper Side Mount Bracket, Rear, Left 







