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 and E90/E92/E93 3-series, and sold with coupé, 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. Over the years the M3 and M5 have become the benchmark vehicle against which most sport saloons in its class are compared despite competition from Mercedes-AMG and Audi quattro GmbH (Audi RS).
Based on the 1986 model year E30 3-Series, the first M3 was introduced with a 2.3 L I4 S14B23 engine (also known as S14). The engine design was based on various BMW parts: basic block layout from the M10 4-cylinder (found in the 2002 and 320 series) overbored and reinforced to similar specifications of the BMW M88 inline-6. The valve train and head architecture from BMW's M1 and, later, M6 inline-6-cylinder was adopted for aggressive breathing. In contrast to later M3 iterations, the E30 M3 was c
left-hand-drive bmw m3 sport evolution 3 red 90 blue 5-speed air-con manual 1990 german rwd m-power 3-series e36 2wd 4-seater fast
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