540i Share definition Flag A BMW 5 series sedan with a 4.0 liter engine and 4 doors that will do 0-60 in the mid to low 5's Yo man i just upgraded to that 540i status 540i by tsw6772 March 9, 2011 0 0 Get merch Get the 540i mug. Buy Now — $32.95 See more merch
