Tein 13-18 BMW 3-Series (F30) EnduraPro Plus Rear Shock (RWD Only) Drivetrain>Diff Braces The system also contains an

The system also contains an Active Exhaust Valve that allows your vehicle to retain the factory designed valve operation

Exhaust kit 16861 features a cat-back layout that replaces your ride's stock exhaust components from near the catalytic converter on back

rough idling

Direct Plug & Play Power: This quick and easy plug & play SCORCHER HD module adds significant power by altering pressure sensor signals to increase turbo boost and fuel pressure to improve vehicle efficiency

intake air bypass thermal valve vacuum hose and crankcase breather tube

Tein 13-18 BMW 3-Series (F30) EnduraPro Plus Rear Shock (RWD Only) Drivetrain>Diff Braces The system also contains anTein 13 18 BMW 3 Series (F30) EnduraPro Plus Rear Shock (RWD Only)