70 Series Hi-Performance Muffler 2.50in Offset Oil Coolers the M340i comes with a

the M340i comes with a dry and lifeless air box housing a basic panel filter that is also accompanied by an intake resonator whose job it is to eliminate turbo/intake noises

An underrated component of a proper driver's suspension the monoball kit (tension strut ball joint kit in today's terminology)

with the temperature gauge holding steady even under high load/high boost scenarios

and flanges

5 in Oval Body - 19 in Long - Stainless - Natural - Universal - Each

70 Series Hi-Performance Muffler 2.50in Offset Oil Coolers the M340i comes with aMuffler 70 Big Block II 2. 5 in Offset Inlet 2. 5 in Offset Outlet 22 x 10 x 5 in Oval Body 28 in Long Steel Black Paint Universal Each