BMW M70: Difference between revisions

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{{Unsourced|July 2007}}
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The [[BMW]] '''M70''' is a [[V12]] [[piston engine]] and featured heavily in the [[BMW 7-Series|7-Series]] and [[BMW 8-Series|8-Series]] [[BMW|BMW's]] of the late 80's and early 90's. Models included:
The [[BMW]] '''M70''' is a [[V12]] [[piston engine]] and featured heavily in the [[BMW 7-Series|7-Series]] and [[BMW 8-Series|8-Series]] [[BMW|BMW's]] of the late 80's and early 90's. Models included:
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==Euro Specifications==
==Types==
===Euro Specifications===
*Displacement: 4988 cm^3
*Displacement: 4988 cm^3
*12 [[cylinder (engine)|cylinder]] V-arrangement 60 degree
*12 [[cylinder (engine)|cylinder]] V-arrangement 60 degree
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*Max rpm: 6000–6400 rpm *Gearing
*Max rpm: 6000–6400 rpm *Gearing
===Applications===
'''Applications'''
* 1986–1995 [[BMW E32|E32]] [[BMW 7-Series|7-Series]]
* 1986–1995 [[BMW E32|E32]] [[BMW 7-Series|7-Series]]
* 1989–1997 [[BMW E31|E31]] [[BMW 8-Series|8-Series]]
* 1989–1997 [[BMW E31|E31]] [[BMW 8-Series|8-Series]]


==S70B56==
===S70B56===
5.6 L version
5.6 L version

===Applications===
'''Applications'''
* 1992–1996 [[BMW E31|E31]] [[BMW 8-Series|8-Series]]
* 1992–1996 [[BMW E31|E31]] [[BMW 8-Series|8-Series]]
* Developed specifically for the 1992 BMW 850CSi, a BMW Motorsport vehicle
* Developed specifically for the 1992 BMW 850CSi, a BMW Motorsport vehicle
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* Engine was used in [[McLaren F1]] and other [[supercar]]s of the late 1990s
* Engine was used in [[McLaren F1]] and other [[supercar]]s of the late 1990s


==S70/1==
===S70/1===
6000 cc (approx.) version.
6000 cc (approx.) version.

===Applications===
'''Applications'''
* [[BMW M8|M8]] prototype
* [[BMW M8|M8]] prototype


==S70/2==
===S70/2===
6064 cc version developed for the [[McLaren F1]].
6064 cc version developed for the [[McLaren F1]].
Variable intake valve timing BMW VANOS two position adjustable
Variable intake valve timing BMW VANOS two position adjustable


===Applications===
'''Applications'''
* 1993 [[McLaren F1]]
* 1993 [[McLaren F1]]


==S70/3==
===S70/3===
6064 cc version, further refinement of the [[McLaren F1]] engine. Later destroked to 5990cc in 1997.
6064 cc version, further refinement of the [[McLaren F1]] engine. Later destroked to 5990cc in 1997.


===Applications===
'''Applications'''
* 1995 - 1996 [[McLaren F1 GTR]] (6.1L)
* 1995 - 1996 [[McLaren F1 GTR]] (6.1L)
* 1997 [[McLaren F1 GTR]] (6.0L)
* 1997 [[McLaren F1 GTR]] (6.0L)

==External Links==

* http://bmwheaven.bmwsport.net/component/option,com_bkbsearch/Itemid,9/func,bkbengines/mtype,M70#e152



[[Category:BMW engines|M70]]
[[Category:BMW engines|M70]]
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{{Modern-auto-stub}}
{{Modern-auto-stub}}

[[pl:BMW M70]]
[[pl:BMW M70]]

Revision as of 21:19, 2 July 2007

The BMW M70 is a V12 piston engine and featured heavily in the 7-Series and 8-Series BMW's of the late 80's and early 90's. Models included:

  • 1988–1994 BMW 750i
  • 1988–1994 BMW 750iL
  • 1991–1993 BMW 850i
  • 1993–1995 BMW 850Ci
  • 1993– McLaren F1
  • 1994–1996 BMW 850Csi


Models
Engine Displacement Power Torque Redline Year
M70B50 5 L (4988 cc/304 in³) 220 kW (299 hp) @ 5200 450 N·m (331 ft·lbf) @ 4100 6000 1988
220 kW (299 hp) @ 5200 450 N·m (331 ft·lbf) @ 4100 6000 1988

Types

Euro Specifications

  • Displacement: 4988 cm^3
  • 12 cylinder V-arrangement 60 degree
  • 24 valves
  • Compression: 8.8:1
  • Stroke/Bore: 75 mm/84 mm
  • Firing Order: 1-7-5-11-3-9-6-12-2-8-4-10
  • Max power: 299 bhp / 220 kW @ 5300 rpm
  • Max torque: 450 Nm @ 4000 rpm
  • Max rpm: 6000–6400 rpm *Gearing

Applications

S70B56

5.6 L version

Applications

  • 1992–1996 E31 8-Series
  • Developed specifically for the 1992 BMW 850CSi, a BMW Motorsport vehicle
  • Lowest production engine in BMW history—1,510 units
  • Engine was used in McLaren F1 and other supercars of the late 1990s

S70/1

6000 cc (approx.) version.

Applications

  • M8 prototype

S70/2

6064 cc version developed for the McLaren F1. Variable intake valve timing BMW VANOS two position adjustable

Applications

S70/3

6064 cc version, further refinement of the McLaren F1 engine. Later destroked to 5990cc in 1997.

Applications

External Links