We recommend only using a professional installation service for this product
The ARM 340i/440i Midpipe upgrade is required to fit the ARM Single Exit Exhaust
3' F30 LCI (10/2014 — 10/2018)
This air filter measures a full 124 cubic inches of filter surface area
Drilling and tapping the differential housing for a 14mm bolt is a common upgrade
Polyurethane Subframe Bushings - BMW E9X / E8X m3 downpipes We recommend only using aRevshift polyurethane subframe bushings completely replace the oem rubber bushings on the BMW E82, E81, E87, E88, E90, E91, E92, and E93 including the M3, 1M, and XI models. These bushings securely mount the rear subframe reducing wheel hop and improving the vehicles handling capabilities. The two piece bushing design sandwiches the subframe locking it in place. It will not shift on the bushings while driving like the one piece designs allow. They are