BMW E30 M3

Based on the 1986 model year E30 3-series, which was first M3 with a 2.3 L I4 engine S14B23 (or S14 in shorthand) is introduced. The engine was based on various design BMW genealogy; layout base unit of the M10 4 cylinder (found in 2002 and 320 series) overbored and strengthened for the same technical specifications of the BMW M88-6 line. The valve train and head architecture was of the BMW M1 and M6 later inline six-cylinder took to breathe, resulting in an outstanding performance for the day.


The most notable feature of the E30 M3 (M3 later iterations in comparison) is its racing pedigree. He was acquired by BMW, and other teams Prodrive and AC Schnitzer competition in many forms of rallying, including German, British Auto, Italian, Belgian, French and Australian tour.

A major reason for the production of the road version was approved, the M3 group A racing car. One of the reasons often cited for its creation was that it "2.3-16V"-model of the Mercedes-Benz W201 190E, which was introduced in 1983, won, although this is only speculation. When the E30 M3 high in his last years competition, 2.5-liter S14 engine in full race trim was capable of more than 340 hp (250 kW) naturally aspirated engine.