BMW I3 S Range Extender finished in Imperial Blue with Gloss black detail bonnet, tailgate, roof and alloys. This is possibly one of the best colour combinations in this really excellent electric vehicle. the range extender really helps alleviate the range anxiety you can get with an electric vehicle. Excellent condition inside and out, full service history, 2 keys, 12 months clean mot, drive away today. viewing by appointment. available 7 days until late.