2010 BMW Alpina 4.4 BiTurbo V8 Saloon 4dr Petrol Switchtronic Euro 5 (507 ps) Sa
                        
                        This F10-generation BMW Alpina B5 Biturbo is a handsomely specified example of the refined ‘super saloon’, with super low mileage for its age.  Under the bonnet sits a twin-turbocharged 4.4-litre V8, producing just over 500bhp and driving the rear wheels via an eight-speed