Racing Dynamics Cold Air Intake BMW F80 M3 F82 M4 (S55) Infiniti By bolting this unit onto

By bolting this unit onto the back side of the rear sub-frame

These springs offer an aggressive spring rate and drop while still giving your car a great ride

More info on conversions

full polished piping

and 3 Idler Pulleys

Racing Dynamics Cold Air Intake BMW F80 M3 F82 M4 (S55) Infiniti By bolting this unit ontoThis cold air intake from Racing Dynamics for BMW F80 M3 and F82 M4 with S55 engine features dual inverted filters for increase air flow and increased performance at higher speeds. The inverted cone air filters have increased surface area by their design and provide for more intake air over standard air filters. Racing Dynamics has taken extra effort to search for the best pipe bending technology. The pipes have been manufactured without cutting and