BMW M3 (E30) Group A / DTM

The E30 M3 is the most successful touring car ever built — conceived purely to homologate a Group A racer, it won the inaugural World Touring Car Championship, multiple DTM crowns and national titles from Britain to Australia.

Bmw1980sGroup A / DTM

History

BMW Motorsport designed the E30 M3 backwards from the racetrack: the S14 four-cylinder (a four-pot derivative of the M1's straight-six architecture), box-flared arches for wider tracks, a raked rear window and raised bootlid for airflow to the rear wing — the 5,000 road cars required by Group A homologation simply followed. From 1987 the M3 won essentially everything in touring car racing: the inaugural (and only) World Touring Car Championship with Roberto Ravaglia, European titles, DTM crowns (Ravaglia 1989), and national championships in Britain, France, Italy and Australia.

Evolution homologations kept it competitive for six seasons — the 2.3 grew to the 2.5 Sport Evolution, works DTM engines eventually revving past 9,500 rpm toward 340 hp — while Schnitzer, Zakspeed, Bigazzi, Prodrive and CiBiEmme built cars in real numbers, which is why period race M3s survive across the world.

Its balance made it lethal beyond circuits too: Prodrive's rally programme won the Tour de Corse WRC round in 1987 — the M3 remains the last two-wheel-drive car to win a WRC event outright alongside its era. Today the E30 M3 anchors historic touring grids (DTM Classic, Peter Auto's HTC, Goodwood), with genuine period chassis at the top of a market that also sustains a healthy Group A-replica build industry.

Palmarès

World Touring Car Champion 1987 (Ravaglia); DTM champion 1989; European Touring Car Champion 1988; British, Italian, French, Australian (AMSCAR) titles; over 1,500 race wins credited across period Group A racing worldwide; plus the 1987 Tour de Corse WRC victory — the most decorated touring car record in history.

What to check before you buy

Establish which preparer built the shell and whether the car carries period history — a documented ex-works/Schnitzer/Bigazzi chassis is a different asset class from an equally quick modern Group A-spec build, and both differ from converted road cars. Check S14 rebuild hours (proper race engines are €40k+ affairs), FIA HTP paper validity, evolution specification correctness (2.3/2.5, aero parts) and shell provenance — genuine M3 shells have specific reinforcements replicas often miss. The historic market rewards period race records with photographs; demand them.

Did you know

BMW built the M3 as a four-cylinder against internal pressure for a six — motorsport division argued the shorter engine's agility and rev ceiling would win titles; it won more than any touring car ever.
The rear window angle and taller bootlid were homologated purely to feed the rear wing — the road M3's silhouette is an aerodynamic document.
Prodrive's rally M3 won in Corsica against 4WD opposition — Patrick Snijers' and Bernard Béguin's tarmac performances remain cult viewing among rally historians.