1979 BMW 520i underwent a comprehensive refurbishment and modification in the US. A robust 3.9-liter stroker M30 inline-six now powers the car, coupled with a five-speed manual transmission sourced from a later 6-Series model. Adorned in a beige exterior, the black interior boasts Scheel front bucket seats, a replacement headliner, cloth upholstery, and fresh carpeting. Performance enhancements include US-model 528i subframes, 17” BBS wheels, Ireland Engineering coilovers with Bilstein shocks, Suspension Techniques sway bars, four-wheel disc brakes, a…