BMW 4 Series 420i M Sport Pro Edition Step Auto (Blue). Last service: 15/10/2026. A sporty premium automatic BMW. Features include satellite navigation, BMW Live Cockpit and Harman Kardon surround sound system. Optional extras include Harman Kardon loudspeaker system, Tanzanite Blue paint, 19-inch M Double-Spoke Style 797 Bi-Colour Jet Black alloy wheels and Vernasca Leather - Black with Blue Contrast Stitching upholstery (£820). Every car from CarSupermarket.com is expertly reconditioned, HPI checked, test driven and given a thorough 159-point inspection. It also comes with a recent service, at least six months' MOT and a minimum 12-month warranty. With our Lowest Price Guarantee and 30-day money-back guarantee, quality, value and peace of mind come as standard.