VRSF Intercooler FMIC 7" Upgrade Kit 07-12 135i/335i/535i/X1/Z4 N54 & N55 E82/E84/E89/E60/E90/E92 High Desnity Bar & Plate Core Cast Aluminum End Tanks Up to 80% larger than the OEM intercooler Easy install, less than 2.5 hours Includes lifetime warranty