This 1973 BMW 3. The car is finished in metallic blue over blue leather and is powered by a 3. 0-liter M30 inline-six linked with a three-speed automatic transmission and a limited-slip differential. Equipment includes 14â³ alloy wheels, power windows, air conditioning, and a push-button AM/FM radio. The car is finished in metallic blue, and exterior features include dual side mirrors, bright window trim, and chrome-finished bumpers with rubber impact strips. Various scratches and dents are noted. The refinished 14â³ alloy wheels wear bright hub caps and 195/70 Michelin Defender tires. The shocks have also been replaced within the past five years. The cabin houses front bucket seats and contoured rear seats trimmed in blue leather. Interior appointments include front seat head restraints, a heated rear window, air conditioning, electric windows, and a push-button AM/FM radio.