B48 B58 Air Intake For BMW G30, G31, G38 520i, 530i, 540i & G32 640i Choose filer color:Blue Filters While it's not the only

While it's not the only tuning system that operates this way the JB4 separates itself from the competition with much more advanced connection points and processing including CANbus

This means you'll enjoy maximum HP gains

E85 certified pump

These give an exclusive look under the hood

B48 B58 Air Intake For BMW G30, G31, G38 520i, 530i, 540i & G32 640i Choose filer color:Blue Filters While it's not the onlyMore Air = More Power and Dramatic Sound Improvement This plug and play air intake system unlocks up to 8 WHP to the wheels from G30, G31, G38 G32 B48 B46 B58 BMW engine. In addition to the extra power throttle response, turbo spool, and sound are dramatically improved, finally allowing you to hear your turbo spool up under heavy acceleration. The system is CNC machined from billet aluminum, anodized black for strength and a clean look. Includes a