aFe MagnumFLOW Pro Air Filters for F8X BMW M3/M4 (30-10238/31-10238) Titan price is for one fitting

price is for one fitting with the oring as pictured

wrapping fuel cells

(1) Castle Plug Oring

Or crank down the cap to release boost only at higher boost loads and RPMs

aFe MagnumFLOW Pro Air Filters for F8X BMW M3/M4 (30-10238/31-10238) Titan price is for one fittingEnhance airflow with aFe MagnumFLOW Pro drop in air filters for the BMW M2 Competition, M3 or M4 with the S55 twin turbo engine. Progressive bump seal design and polyurethane frame provide durability and easy installation. Washable and reusable for multiple cleaning cycles. Deep, open pleats increase surface area, flow, and dust holding capacity for maximum performance. Vehicle Fitment: 2015 2018 BMW M3 (F80 S55 Twin Turbo Engine) 2015 2020 BMW M4