There are several models of BMW that have a retractable hardtop. Some of these car models include the BMW 328i Convertible, BMW M3 Convertible, and BMW 335i Convertible.
BMW manufactures the M3 cars. M3 cars are sedans, coupes, and convertibles. Catalogs can be accessed through BMW's website or by contacting a local BMW dealership.
There are nine different models included within the BMW 3 series. Five of the most popular BMW 3 Models are the sedan, ActiveHybrid 3, M3 Coupe, Touring, and the convertible.
As of summer 2013 the official website lists the following BMW M car models: M3 Coup̩, M3 Convertible, M5 Sedan, X5 M, M6 Coup̩, M6 Gran Coup̩, M6 Convertible and X6 M.
M3 stands for Motorsport 3-series, a high-performance version of the 3-series. Most M3 parts are interchangeable with the non-M models, and you may find parts with either the M3 logo or the M logo on non-M models.
The 2008 BMW M3 has 32 valves.
The 2012 BMW M3 has 32 valves.
The 2004 BMW M3 has 24 valves.
The 2003 BMW M3 has 24 valves.
The 2013 BMW M3 has 32 valves.
The 2005 BMW M3 has 24 valves.
The 2009 BMW M3 has 32 valves.