Sleeper Files #03: the BMW 540i (E39). 4.4 V8, 282hp, rear drive, six speed manual if you were lucky. Supercharger, injectors, headers and exhaust, a proper diff. Still a 5 Series. Until the light goes green. Would you build it? #bmw #e39 #540i #sleeper #sleeperfiles Car drawn from a photo by Charles from Port Chester, New York (CC BY 2.0).