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self-tapping mounting screws
more aggressive tone fitting the BMW 'M' badge
Does not fit Canadian models
These are used in our Patented Venturi housings to smoothly funnel the air to the turbo inlets
500-1100 F optimal temperature range
aFe QUANTUM Intake Replacement Air Filter w/ Pro 5R Media (23-91133) 18140 self-tapping mounting screwsQuantum Pro 5R Oval Tapered Blue Air Filter (23 91133) by aFe. Quantum Pro 5R air filter by aFe Power is specifically designed for the Quantum Series cold air intake systems and feature an injection molded base and top for lighter weight and rigidity. The newly designed base includes a built in, 3 angle velocity stack for smooth, even airflow. The Quantum Pro 5R filter is a 360 degree radial flow air filter with oiled, 5 layer progressive cotton
US$ 105.00
US$ 42.00
US$ 28.00
US$ 79.00