BMW M70

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

★ 1993–1998 McLaren F1

★ 1994–1996 BMW 850Csi
__NOTOC__

'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

Contents

Types

Euro Specifications

S70B56

S70/1

S70/2

S70/3

External Links

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'

★ 1986–1995 E32 7-Series

★ 1989–1997 E31 8-Series

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 a few supercars of the late 1990s

S70/1

6000 cc (approx.) version.
'Applications'

★ M8 prototype

S70/2

6064 cc version developed for the McLaren F1. Complete redesign from M70 and has no common parts. Engine block is shorter and lighter. Variable intake valve timing BMW VANOS two position adjustable.
'Applications'

★ 1993-1998 McLaren F1

S70/3

6064 cc version, further refinement of the McLaren F1 engine meant for racing. Later destroked to 5990cc in 1997.
'Applications'

★ 1995 - 1996 McLaren F1 GTR (6.1L)

★ 1997 McLaren F1 GTR (6.0L)

External Links

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