BMW 8 E31 850Ci





BMW 8 E31 850Ci

Model: 8 E31 (1989 - 1999)

Wikipedia (8 E31): http://en.wikipedia.org/wiki/BMW_E31

There is some confusion over why and when the 850i became the 850Ci. The change happened around the introduction of the 850CSi and it is believed that BMW decided to include the "C" in the model name that denotes 'Coupe' just as two-door 3 Series cars alongside the 8 Series read 323Ci, 328Ci and so on. The confusion starts when BMW installed the new M73B54 engine in the car. This was not an immediate changeover, and indeed both the M70 and M73-engined cars rolled off the production lines side-by-side for about nine months in 1994, both named 850Ci.

As the capacity of the M73 increased to 5.4 liters and the compression ratio went up, the power output rose to 326 PS (240 kW; 322 hp).

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Engines


Year from-to Engine code Fuel [ccm] Cylinders [kW] [Nm] No. of
valves
1989 1994 M70B50 gasoline 4 988 12 / Furcate 220 450
1994 1999 M73B54 gasoline 5 379 12 / Furcate 240 490

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1991 BMW 8 E31 850Ci 5.4 (330 cui) V12

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Fuel gasoline. 4-speed Automatic transmission. Engine 5 400 ccm (330 cui), 12-cylinder, Furcate, 24-valves.

1990 BMW 8 E31 850Ci 5.0 (304 cui) V12

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Performance 224 kW (305 PS) at 5200 rpm. Torque: 450 Nm (332 ft/lb) at 4100 rpm. Fuel gasoline. 4-speed Automatic transmission. Engine 4 988 ccm (304 cui), 12-cylinder, Furcate, 24-valves, M70B50 V12 .

1992 BMW 8 E31 850Ci 5.0 (305 cui) V12

Performance 220 kW (299 PS) . Torque: 450 Nm (332 ft/lb) . Fuel gasoline. 6-speed Manual transmission. Engine 4 998 ccm (305 cui), 12-cylinder, Furcate, M70B50.