BMW 315
Encyclopedia
The BMW 315 was a middle sized saloon produced by BMW
BMW
Bayerische Motoren Werke AG is a German automobile, motorcycle and engine manufacturing company founded in 1916. It also owns and produces the Mini marque, and is the parent company of Rolls-Royce Motor Cars. BMW produces motorcycles under BMW Motorrad and Husqvarna brands...

 from 1934 to 1937. It was based on the BMW 303
BMW 303
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....

. It differed from the 303 mainly with its larger engine, with increases in both the bore (to 58 mm (2.3 in) from 56 mm (2.2 in)) and the stroke (to 94 mm (3.7 in) from 80 mm (3.1 in)).

A total of 9,765 BMW 315s were built, including two-door saloon cars, touring cars, convertibles, sport convertibles, and 315/1 roadsters.

BMW 315/1

The BMW 315/1 was a sports car
Sports car
A sports car is a small, usually two seat, two door automobile designed for high speed driving and maneuverability....

 based on the 315 saloon. It used the same chassis as the 315 saloon and had an engine of the same displacement. However, with compression ratio increased to 6.8:1 from 5.6:1 in the saloon, and with the use of three Solex carburetors, power increased to 40.6 PS at 4300 rpm, while the roadster
Roadster
A roadster is a two-seat open car with emphasis on sporty handling and without a fixed roof or side weather protection. Strictly speaking a roadster with wind-up windows is a convertible but as true roadsters are no longer made the distinction is now irrelevant...

 bodywork reduced kerb weight to 750 kg (1,653 lb).

Production of the 315/1 ended in 1936. 242 examples were built.

BMW 319 and 319/1

The BMW 319 and 319/1 were introduced in 1935. They differed from the 315 and 315/1 mainly in that the dimensions of the engines were increased. The new, larger engine had a bore of 65 mm (2.6 in), and a stroke of 96 mm (3.8 in), resulting in a displacement of 1911 cc. This resulted in an increase in power to 45 bhp at 3750 rpm in the base 319 and 55 bhp at 4000 rpm in the 319/1 roadster The kerb weight of the 319 was 850 kg (1,874 lb), and the fuel capacity was 40 l (11 US gal; 9 imp gal).

A total of 6,646 BMW 319s of all types were built by the end of production in 1937. 102 of these were 319/1 roadsters.

BMW 329

The BMW 329 replaced the BMW 319 in early 1937. The 329 was basically a 319 with the front bodywork and fenders from the BMW 326
BMW 326
The BMW 326 is a relatively rapid medium sized sedan produced by the Bavarian firm between 1936 and 1941, and again briefly after 1945. It had an innovative design and sold well despite its relatively high price...

. The 329 was available only as a convertible, with either two or four doors. The 329 was replaced by the 326-based BMW 320
BMW 320
The BMW 320 was a saloon car manufactured by BMW from 1937 to 1938. It replaced the 319-based BMW 329.The 320 was built on a shortened BMW 326 chassis and used a 326 engine with a single carburettor and an output of...

later in 1937.
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