Complex sentence: Introduced at the Paris Motor Show in October 1966, the 275 GTB/4 (or 4-cam) was a substantially updated car; built by Scaglietti, it featured new bodywork and was the first Ferrari to not be offered with wire wheels.
Split into simpler sentences: Introduced at the Paris Motor Show in October 1966, the Scaglietti-built 275 GTB/4 (or 4-cam) was a much updated car. With new bodywork, it was the first Ferrari to not be offered with wire wheels.