BMW M337
The BMW M337 is a straight-6 OHV piston engine which replaced the BMW M78 and was produced from 1952-1958.
Built to power BMW's first new car after the Second World War, the M337 engine was a significant update of the M78. The cylinder head was revised, the inlet manifold was a new design, and a reinforced crankshaft with bigger, more modern bearings was used.
Built to power BMW's first new car after the Second World War, the M337 engine was a significant update of the M78. The cylinder head was revised, the inlet manifold was a new design, and a reinforced crankshaft with bigger, more modern bearings was used.
Manufacturer
|
BMW
|
Production
|
1952 -
1958
|
Predecessor
|
BMW M78
|
Successor
|
BMW OHV V8
engine
|
Configuration
|
straight-6
|
Models
Model
|
Displacement
|
Power
|
Torque
|
Year
|
337/1
|
1,971 cc
|
48 kW
(65 PS; 64 hp)
|
129 Nm
(95 lbft)
|
1952-1954
|
337/2
|
1,971 cc
|
54 kW
(73 PS; 72 hp)
|
130 Nm
(96 lbft)
|
1954-1955
|
337/3
|
2,077 cc
|
54 kW
(73 PS; 72 hp)
|
135 Nm
(100 lbft)
|
1955-1958
|
M337/1
The first version of the M337 engine has a displacement of 1971 cc. It produces 48 kW (65 PS; 64 hp) at 4400 rpm and 129 N·m (95 lb·ft) at 2000 rpm.
Applications:
Applications:
- 1952-1954 501
M337/2
In 1954, a revised engine producing 54 kW (73 PS; 72 hp) at 4400 rpm and 130 N·m (96 lb·ft) at 2500 rpm was released. The compression ratio for this engine is 6.8:1.
Applications:
Applications:
- 1954-1955 501A
- 1954-1955 501B
M337/3
This version was bored out by 2 mm (0.1 in) , which increased displacement to 2077 cc. Despite the increase in displacement and an increased in compression ratio of 7.0:1, the engine produced no more power than the previous version. However torque increased 135 Nm (100 lbft) at 2500 rpm.
Applications:
Applications:
- 1955-1958 501/3
Last updated on 15 August 2012 at 00:09.
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