BMW E30 #46

Berdasarkan model tahun 1986 E30 3-Series, E30 M3 menggunakan mesin BMW S14.

Berbeda dengan M3 iterasi kemudian, E30 M3 dikampanyekan oleh BMW serta tim balap lainnya termasuk Prodrive dan AC Schnitzer dalam berbagai bentuk motor sport termasuk reli dan balap. Kampanye termasuk yang terakhir di World Touring Car Championship, Deutsche Tourenwagen Meisterschaft, British Touring Car Championship, Touring Car Championship Italia, Prancis Touring Car Championship dan Kejuaraan Mobil Touring Australia. Produksi jalan mobil E30 adalah untuk menyungguhkan M3 untuk Grup A balap Touring Car. Hal itu untuk bersaing dengan berbagai model termasuk"2.3-16V" varian dari Mercedes-Benz W201 190E yang diperkenalkan pada tahun 1983 Pada tahun-tahun akhir kompetisi, mesin S14 2.5 liter di merapi ras penuh adalah mampu memproduksi lebih 250 hp (190 kW).

Technical Data :


The E30 M3 differed from the rest of the E30 line-up in many ways. The M3, although using the same basic unit-body shell as the standard E30, was equipped with 12 different and unique body panels for the purposes of improving aerodynamics, as well as "box flared" wheel-arches in the front and rear to accommodate a wider track with wider and taller wheels and tyres. The only exterior body panels the standard model 3-series and the M3 shared were the hood, roof panel, and sunroof.


The E30 M3 differs from the standard E30 by having a 5x120 wheel bolt pattern. The E30 M3 had increased caster angle through major front suspension changes. The M3 had specific solid rubber offset control arm bushings. It used aluminum control arms and the front strut tubes were changed to a design similar (bolt on kingpins and swaybar mounted to strut tube) to the E28 5-series. This included carrying over the 5 series front wheel bearings and brake caliper bolt spacing. The rear suspension is a carry over from the E30.


The E30 M3 had special front and rear brake calipers and rotors. It also has a special brake master cylinder.


The E30 M3 had one of two Getrag 265 5-speed gearboxes. US models received an overdrive transmission while European models were outfitted with a dogleg version, with first gear being down and to the left, and fifth gear being a direct 1:1 ratio. Rear differentials installed included a 4.10:1 final-drive ratio for US models. European versions were equipped with a 3.15:1 final drive ratio. All versions were clutch-type limited-slip differentials with 25% lockup.

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