JB4 INSTALL EASY DIY 340I B58 B48

The fastest way to gain BHP is with a JB4 Tuner box. This EASY JB4 DIY INSTALL is for all B58 and b48 BMWs 340i m240i m140i M340i 440i M430i etc FULL clear and detailed instructions so you can get the job done fast 💥💥💥👍🏻
#ultimatedrivingmachine #jb4 #burgermotorsports

[@SimonBoxall]

Great video mate. Very clear and informative 👍

[@nought2sixty_0-60]

Thanks mate 👍🏻