BMS 365 Replacement Air Filter For S58 BMW G87 M2, G80 M3,G82 M4, F97 X3M, F98 X4M 340i (F31) The ARM B58 Charge Pipe

The ARM B58 Charge Pipe incorporates Tri-Port 1/8" NPT bungs

• Power gains range from 30-60whp on pump gas and much more on higher octane or E85 mixtures

By retaining the OEM axle back section the original function of the OEM exhaust valves are still retained

2 Series F87 (2016-2018): M2

BMS 365 Replacement Air Filter For S58 BMW G87 M2, G80 M3,G82 M4, F97 X3M, F98 X4M 340i (F31) The ARM B58 Charge PipeThis is a replacement upgrade inverted cone performance air filter for our popular BMS S58 front mount intake. Includes an integrated velocity stack for maximum flow and comes pre oiled with blue or red filter oil and a new clamp. Our proprietary high flow filter is designed to last the life of your vehicle and can be cleaned every 15 20k miles using the performance oil cleaning kit below. Made in the USA. Fitment M2 (G87) Alpina B3 (G20) M3 (G80) M4