The BMW 303 was a middle sized saloon produced by BMW in 1933 and 1934. It was the first BMW to use the 'kidney grill' which today is a hallmark of the company's models.
The 303 was also the first BMW to feature an inline-6 engine. The M78 six cylinder 1182 cc engine was developed by adding two cylinders to the four cylinder 788 cc engine used by the company's 3/20 model.
Both saloons and cabriolets were manufactured. Top speed was .
Only 2300 BMW 303s were produced. It has been suggested that the car was less successful in the market place than later six cylinder BMWs such as the 326 on account of its relatively old fashioned shape.