Installation instructions are located here: https://arcterminator
F SERIES BUTTON NOT COMPATIBLE WITH NON-START/STOP IGNITION
Care instructions: Machine wash: cold (max 30C or 90F)
The rear section of the ARM N63 Midpipes connect to the front section using a slip-fit connection
standard shaft seals are retained
Billet Aluminum Subframe Bushings - BMW E9X / E8X 113 Installation instructions are located here:Revshift billet aluminum 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 solid 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