Background
The E30 M3 was the first purpose-built BMW to be engineered and assembled in-house by Motorsport Division - and while most first projects are more about dipping a tentative toe in the water than first-time victory, the fact that the E30 M3 ended its career as the most successful touring car of all time is proof positive that BMW’s advertising strapline ‘The Ultimate Driving Machine’ wasn’t the usual marketing tosh.
It might have lasted just six short years but what a period it was: launched onto an unsuspecting world in 1986, the M3 only made it onto public roads because the Group A regulations of the time insisted on 5,000 being built as proof that the cars in that class were genuine production models rather than highly-modified homologation specials.
And it had all the good stuff from the get go: 200bhp might not seem like much now, but back then the double-ton was The Holy Grail. It also had a beautifully balanced rear-wheel-drive chassis and was so visually understated as to make its performance all the more of a shock to an unsuspecting M3 virgin.
The M3’s four-cylinder ‘S14’ engine earned its place under the bonnet thanks to its weight and ability to rev more highly than the better-balanced and heavier six-cylinder. That it is a coarser engine than the inline-six was forgiven when you drove it; with a rev limit of 7,300rpm, the 2.3-litre, 16-valve engine might have been tractable enough to trundle to the shops but it still delivered enough of a punch as to enable even the clumsiest driver to make the most of that extraordinary chassis.
The BMW M3 Evolution 1 might have stuck with the standard car’s 200bhp engine but it features a revised cylinder head, mainly to help the tunability of the competition cars. Just 500 were built and only the front and rear spoilers differentiate them from the standard M3.
The Evolution II of March 1988 boasted 220bhp, a useful increase thanks to changes to the Bosch engine management system, new pistons, a lighter flywheel and a more efficient air intake tract. It also featured bigger wheels and tyres – 7.5×16” and 225/45ZR16 respectively – and a lower final drive ratio on the otherwise unaltered Getrag gearbox.
The bodywork received the attentions of the development team too, and you can spot one by its deeper front spoiler and air ducts in place of the standard M3’s front fog lights.
The rear spoiler was changed too but the thinner glass and lighter bumpers were less obvious. Three colours – Misano Red, Nogaro Silver, and Macau Blue – were offered, and a dashboard plaque was fitted so your passengers appreciated the fact that they were sitting in something special.
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