BW23AUU - BMW i4 400kW M50 83.9kWh Auto (BLACK) Thoroughly inspected through our 159-point check, expertly reconditioned and safeguarded by a minimum 12-month warranty. Battery health: 95%. A premium high-performance all-electric Gran Coupe. Features include wireless phone charging and heated front seats. Optional extras include Black Sapphire, M Technology Package and 20in M Light Double-Spoke Style 868 M Bicolour Alloy Wheels (£1,485).