By Jackie Jouret
Photos courtesy The BMW Archive
To be successful at Le Mans, or in any high-speed competition, you need more than just a powerful motor. You also need effective aerodynamics. With low drag combined with stability at speed, power becomes less important overall, and even a relatively underpowered car can win races.
BMW’s 328 had been winning races since its 1936 debut at the Nürburgring, but it did so largely thanks to exquisitely balanced performance and responsive handling rather than outright power. (Which is not to say that the M328 six-cylinder engine was anything short of a masterpiece; it remains a superb engine, with hemispherical combustion chambers and an innovative valvetrain.) Those traits had allowed the BMW roadster to sweep the podium for 2.0-liter sports car class in the 1938 Mille Miglia, for instance, where the mountainous course played perfectly to the car’s strengths.