M3 trim. Leather Seats, Convertible Hardtop, Premium Sound System, Alloy Wheels, Rear Air. KEY FEATURES INCLUDELeather Seats, Rear Air, Premium Sound System, Convertible Hardtop, Aluminum Wheels. VEHICLE REVIEWSEdmunds.coms review says The 3 Series is BMWs top seller in the U.S. and for good reason -- endowed with world-class suspension, steering and brake components, these cars have an ability to communicate with their drivers that is unmatched in the entry-level luxury class and, indeed, unmatched by most cars at any price.. Consumer Guide Best Buy Car. 4 Star Driver Front Crash Rating. 5 Star Driver Side Crash Rating. PLUS TT&LPrices include $225 dealer doc fee. Does not include optional accessories of $895 Forever Start and $699 PermaPlate 1-Year. Please confirm the accuracy of the included equipment by calling us prior to purchase.