Pics Cars BMW S50 Engine with turbo in a Red E30 Coupe S50 Engine with turbo in a Red E30 Coupe The S50 engine was originally used in the E36 BMW M3. The addition of the turbo makes this a very potent engine swap. Elite Tuner Illinois - August 13, 2023 Download Order High Resolution Image BMW E30 3 Series Red Engine Engine Swap