ST Trackparts Control Arm Universal Duct M135i X Drive (F40)(S) 2-Row High-Performance Core Featuring CSF's

2-Row High-Performance Core Featuring CSF's B-Tube Technology

F82 M4 and F87 M2

and repeatable performance

Installation guide:

ST Trackparts Control Arm Universal Duct M135i X Drive (F40)(S) 2-Row High-Performance Core Featuring CSF'sThese brake ducts are engineered to enhance airflow directly to your vehicles braking system, effectively improving brake cooling performance. Optimized cooling helps extend the lifespan of brake pads and minimizes the risk of brake fade during intensive driving conditions. Constructed from ASA material, which offers superior heat resistance compared to standard ABS, these ducts feature a high quality smooth finish that ensures durability and reliable