Dinan Free Flow Axle-Back Exhaust | F32 · F33 · F36 440i | 3.0L Turbo I6 [B58] Color:Polished Silver an ECU tune or CEL

an ECU tune or CEL fix will be needed to avoid a CEL from displaying on instrument panel

NOTE: This part is made to order

Dinan's short-shifters retain the nylon pivot ball and shifter bushing providing the same smooth and quiet operation as the original shifter

As a final touch

Dinan Free Flow Axle-Back Exhaust | F32 · F33 · F36 440i | 3.0L Turbo I6 [B58] Color:Polished Silver an ECU tune or CELDinan engineers designed the F33 F36 440i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates a Helmholtz chamber design that reduces resonance or "drone" at low