This 1991 BMW M5, showing approximately 165k miles, features a 3.6-liter S38B36 inline-six with a Dinan ECU chip and a Supersprint exhaust, mated to a 5-speed manual gearbox. The interior is finished in Silver Gray Nappa leather with powered and heated front seats, an AutoSolutions short shifter, and an aftermarket audio system. Noted imperfections include chips on the front bumper, a ding on the driver-side fender, a dent on the trunk, and a crack in the windshield, with the self-leveling suspension showing leakage but functioning correctly.