  the bmw m3 is a high-performance version of the bmw 3-series, developed by bmw's in-house motorsport division, bmw m. m3 models have been derived from the e30, e36, e46, e90/e92/e93, and f30 3-series, and sold with coupe, saloon and convertible body styles. upgrades over the "standard" 3-series automobiles include more powerful and responsive engines, improved handling/suspension/braking systems, aerodynamic body enhancements, and interior/exterior accents with the tri-colour "m" (motorsport) emblem. the last m3 coupe was produced in germany on 5 july 2013. part of bmw's renumbering to move the 3-series coupe and convertible to the 4-series, the m3 name will remain with the saloon version as the coupe version has ceased production and has been replaced by the m4 coupe starting with the 2015 model year. == e30 m3 ==  based on the 1986 model year e30 3-series, the e30 m3 used the bmw s14 engine. in contrast to later m3 iterations, the e30 m3 was campaigned by bmw as well as other racing teams
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