BMW M3 Motorsport emblem.2010 best top

The BMW M3 is a high-performance version of the BMW 3 Series, developed by BMW's tuning branch BMW M. M3 models have been derived from the E30, E36, E46 and E90/E92/E93 3-series, and sold with coupé, sedan and convertible body styles. Upgrades over the "standard" 3-Series automobiles include more powerful and responsive (yet at times smaller) engines, improved handling/suspension/braking systems, aerodynamic body enhancements, and interior/exterior accents with the tri-color "M" (Motorsport) emblem.
* 1 E30 M3
o 1.1 The E30 M3 road car
o 1.2 Changes from the standard 3-series
o 1.3 Wrap up
o 1.4 Notable publication accolades
o 1.5 E30 performance
o 1.6 Production figures
o 1.7 Significant victories in auto racing
+ 1.7.1 Championships
+ 1.7.2 Races
* 2 E36 M3
o 2.1 North American models
o 2.2 E36 performance
o 2.3 E36 special models
+ 2.3.1 M3 Euro-Spec (Canadian Edition)
+ 2.3.2 M3 CSL (Lightweight) (E36)
# 2.3.2.1 Racing history
+ 2.3.3 M3 GT
+ 2.3.4 M3 Evolution Imola Individual (M3 GT2)
+ 2.3.5 M3-R
+ 2.3.6 M3 compact
* 3 E46 M3
o 3.1 E46 performance
o 3.2 E46 special models
+ 3.2.1 M3 GTR
+ 3.2.2 M3 CSL
+ 3.2.3 M3 Competition Package
* 4 E90/92/93 M3
o 4.1 E90, E92, and E93 performance
o 4.2 E92 M3 GTS
o 4.3 Racing
+ 4.3.1 E92 M3 GT2
+ 4.3.2 E92 M3 GT4
o 4.4 Critical reception
* 5 BMW M3 Challenge
* 6 References
* 7 External links

E30 BMW E30 M3
Production 1986–1992
Assembly Regensburg, Germany
Garching, Germany
Rosslyn, South Africa
Body style 2-door coupe
2-door convertible
Engine 2.3 L I4
Transmission 5-speed manual
Wheelbase 101.1 in (2568 mm)
Length 171.1 in (4346 mm)
Width 66.1 in (1679 mm)
Height 53.9 in (1369 mm)
Curb weight 2,865 lb (1,300 kg)
Related BMW 3 Series

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 campaigned by BMW as well as other racing teams including Prodrive and AC Schnitzer competing in many forms of racing including rally as well as German, British, Italian, Belgian, French, and Australian touring. The production of the E30 road car was to homologate the M3 for Group A Touring Car racing. It was to compete with the "2.3-16V"-model of the Mercedes-Benz W201 190E that was introduced in 1983. In its final years of competition, the 2.5 liter S14 engine in full race trim was capable of over 250 hp (190
The third car road-going version produced 195 bhp (145 kW; 198 PS) (catalyzed model). Evolution models (not sold in North America) continued with 2.3 liters but adopted revised exhaust-cam timing, increased compression along with the lack of a catalyst producing approximately 215 hp (160 kW). Later the Sport Evolution model production run of 600 (sometimes referred as Evolution III) increased engine displacement to 2.5 L and produced 238 hp (177 kW; 241 PS). An additional 786 convertibles were also produced.
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