BMW M40
Template:Infobox automobile engine
The BMW M40 is an SOHC straight-four petrol engine which was produced from 1987–1994.[1][2] It served as BMW's base model four-cylinder engine and was produced alongside the higher performance BMW M42 DOHC four-cylinder engine from 1989 onwards.
Compared with its M10 predecessor, the M40 uses a belt-driven camshaft,[3] and hydraulic tappets. Like the M10, the M40 uses an iron block and an aluminium head. Fuel injection for the E30 versions is Bosch Motronic 1.3,[4] and the E36 versions use Bosch Motronic 1.7.[5][6]
Following the introduction of the BMW M43 engine in 1991, the M40 began to be phased out.
Versions
| Version | Displacement | Power | Torque | Year |
|---|---|---|---|---|
| M40B16- E30 version |
Template:Cvt | Template:Cvt at 5,500 rpm |
Template:Cvt at 4,250 rpm |
1987 |
| M40B16- E36 version |
Template:Cvt at 5,500 rpm |
Template:Cvt at 4,250 rpm |
1991 | |
| M40B18- E30 version |
Template:Cvt | Template:Cvt at 5,500 rpm |
Template:Cvt at 4,250 rpm |
1987 |
| M40B18- E36 version |
Template:Cvt at 5,500 rpm |
Template:Cvt at 4,250 rpm |
1991 |
M40B16
The M40B16 is a Script error: No such module "convert". version of the M40, which has a bore of Script error: No such module "convert". and a stroke of Script error: No such module "convert"..[7] It produces Script error: No such module "convert". and Script error: No such module "convert"..[8]
Applications:
- 1988–1994 316i (E30)
- 1990–1994 316i (E36)
- 1992–1993 Bertone Freeclimber 2
M40B18
The M40B18 is a Template:Cvt version of the M40, which has a bore of Template:Cvt and a stroke of Template:Cvt.[7] It produces Template:Cvt and Template:Cvt.[6]
Applications:
- 1987–1994 318i (E30)
- 1992–1993 318i (E36)
- 1989-1994 518i (E34)
See also
References
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