E90DSLINS 2012 AIR SILENCER Parts on group AIR SILENCER: Pos. Part No Qty Parts name Comments 1. 5005183 [1] AIR SILENCER Assy Exhaust emissions related part 2. 0340840 [1] SEAL, Fastener 3. 0511421 [1] WASHER, Fastener 4. 0337574 [1] SCREW, Silencer to throttle body 5. 0350548 [3] SEAL, Silencer to throttle body 6. 0314021 [3] BUMPER Parts catalog : COOLING HOSES CRANKSHAFT & PISTONS CYLINDER & CRANKCASE CYLINDER HEAD & THERMOSTAT DECALS - White ELECTRIC STARTER & SOLENOID