It joins the petrol powered 523i, 528i, 535i and 550i, as well as two diesel powered cars, the 525d and the 530d, which have been available from launch in March.
The new, 184hp 4-cylinder model comes with a choice of 6-speed manual or 8-speed automatic transmissions and features fuel consumption figures of 4.9 l/100km. Emissions of 129 g/km ensures it falls into road tax band B.