E93 refers to a specific model of the BMW 3 Series, produced between 2007 and 2013. It is part of the E90 generation, which includes sedan (E90), coupe (E92), and convertible (E93) variants. The E93 is known for its retractable hardtop, allowing it to transform from a coupe to an open-air convertible, providing versatility for drivers. The E93 is equipped with various engine options, including inline-four and inline-six configurations, offering a balance of performance and efficiency. It features a well-designed interior with advanced technology for its time, making it a popular choice among enthusiasts and everyday drivers alike.