| BMW M328 engine | |
|---|---|
 | |
| Overview | |
| Production | 1936-1940 |
| Layout | |
| Configuration | Straight-6 |
| Displacement | 2.0 L (1,971 cc) |
| Cylinder bore | 66 mm (2.60 in) |
| Piston stroke | 96 mm (3.78 in) |
| Cylinder block material | Aluminium |
| Cylinder head material | Aluminium |
| Valvetrain | OHV |
| Combustion | |
| Fuel type | Petrol |
| Chronology | |
| Predecessor | BMW M78 |
| Successor | BMW M335 |
The BMW M328 is an overhead valve straight-six petrol internal combustion engine which was produced from 1936 to 1940. It was a high-performance development of the BMW M78 engine that was produced alongside the M78.[1][2][3]
Compared with the M78, the M328 has an aluminium cross-flow cylinder head[4] with hemispherical combustion chambers.[5]
The M328 was used in the BMW 328 and BMW 327/28 coupes.[2][3][6]
After World War II the engine was also licensed to Bristol Cars in the United Kingdom.
- ^ "BMW World - 6-Cylinder Engines". www.usautoparts.net. Archived from the original on 13 September 2010.
- ^ a b Lewin & Purves 2016.
- ^ a b Lewin 2004, pp. 191, 192, 251, 253, 257.
- ^ "1937 BMW 328". www.carfolio.com. Retrieved 23 August 2017.
- ^ "BMW 328 - the legendary roadster". www.bmwccn.no. Archived from the original on 3 January 2010.
- ^ Norbye 1984.