This 1997 BMW M3 sedan is finished in Estoril Blue Metallic over gray leather and powered by a 3.2-liter inline-six paired with a replacement five-speed manual transmission. The car was acquired by the seller in 2020, and subsequent work has reportedly included a transmission swap and replacement of the clutch components, fluids, and flex disc as well as installation of BC Racing adjustable coil-overs, a UUC Short Shift kit, Kassel Performance engine management software, and a Bluetooth-capable…