BMW 8 series 1989 5.0 petrol description
Coupe BMW 850i has been produced from October, 1989 to October, 1992. It has 12-cylinder petrol engine with displacement of 5.0 litres, which produces power of 300 horsepower on 5200 rpm and torque 450 Nm (Newton metres) on 4100 revolutions per minute.
This 12-cylinder 24-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system, this is an atmospheric engine (without turbine). The engine meets the Euro 2 emissions standard. Engine lifespan (mileage before major repairs or overhaul) can last from 300 up to 510 thousand kilometres. It is important to remember that engine life is highly dependent on regular maintenance and the quality of the oils and fuels used.
More engine specs
This BMW 8 series 5.0 engine oil type is 5W-40 and oil capacity is 7.5 litres.
BMW 850i has classical rear wheel drive (RWD) and manual gearbox with 6 gears.
BMW 850i accelerates to speed 100 kilometres per hour in 6.8 seconds. The maximum speed of this car is 250 km/h.
BMW 850i fuel consumption is 13 litres per 100km in combined city/highway mode (7.7 km/l). Fuel tank capacity is 90 litres or 23.78 gallons, which gives a mileage up to 680 kilometers without refueling in urban cycle.
According to user reviews, this BMW real everyday fuel consumption is 14.4 litres per 100 km, which is 11% more than the manufacturer's stated. More - Real BMW 8 series fuel consumption.
- BMW 850i AT is more sluggish, reaching 100 km/h 0.6 seconds later (in 7.4 seconds), but manufacturer's fuel consumption is similar - 13.0 litres per 100 km, whereas users reported real fuel consumption is higher by 0.6 litres per 100 km or 4 % - 15.0 litres per 100 km
- BMW 850 Ci AT is more sluggish, reaching 100 km/h 0.6 seconds later (in 7.4 seconds), but manufacturer's fuel consumption is similar - 13.0 litres per 100 km, whereas users reported real fuel consumption is higher by 0.2 litres per 100 km or 1 % - 14.6 litres per 100 km
- BMW 850 Ci AT is more dynamic - it reaches 100 km/h 0.5 seconds faster (in 6.3 seconds), but manufacturer's fuel consumption is higher by 1 litres per 100 km or 8 % - 14.0 litres per 100 km
BMW 850i technical data
| Model: | BMW 850i | ||
|---|---|---|---|
| Body style: | Coupe | ||
| Production period: | 1989. October ... 1992. October | ||
| Engine: | 4998 cm3 Petrol, 12 cylinders | CO2 emissions: | no data |
| Power: | 300 HP ON 5200 RPM | Torque: | 450 NM ON 4100 RPM |
| Gearbox: | Manual gearbox (6 gears) | Drive type: | Rear wheel drive (RWD) |
| Top speed: | 250 km/h | Acceleration 0-100 km/h: | 6.8 seconds |
| Fuel consumption (l/100km): | 13.0 (combined) | ||
| Real fuel consumption: | 14.4 l/100km (16.3 MPG) by user reviews from various sources | ||
| Fuel tank capacity: | 90 litres (23.8 gallons) | ||
| Car dimensions: | 4.70m (length) 1.86m (width) 1.34m (height) | ||
| Turning diameter: | 12 meters | ||
| Trunk capacity: | 320 litres | ||
| Gross weight: | 2190 kg | ||
BMW 850i engine M70B50
Engine reliability:
Overall, this engine can last around 300,000 to 510,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
| Engine displacement | 4998 cm3 |
|---|---|
| Number of cylinders | 12 |
| Bore (cylinder diameter) | 84 mm |
| Stroke length (piston move) | 75 mm |
| Compression ratio | 8.8 : 1 |
| Camshaft drive | Timing chain Chain motors are considered more reliable, chain replacement usually is required less often than a timing belt, but they are often louder and vibrate more. |
| Fuel system | Injection |
| BMW 850i oil type | 5W-40 |
| Oil capacity | 7.5 litres (7.9 quarts) |
| Power | 300 HP ON 5200 RPM |
| Torque | 450 NM ON 4100 RPM |
| Start of production (year) | 1987 |
| Duration of production | 7 years |
All BMW 8 series coupe [1989 - 1999] modifications
| Modification | Engine | Power | Consumption | Gearbox |
|---|---|---|---|---|
| BMW 830i 3.0 Jan 1992 — Dec 1992 | 3.0 Diesel | 218 HP | - | Manual (6) |
| BMW 840i 4.0 Jan 1993 — Dec 1996 | 4.0 Petrol | 286 HP | 12.8 l/100km | Manual (6) |
|
BMW 840 Ci
Jan 1993 — Mar 1996 Most fuel efficient petrol version |
4.0 Petrol | 286 HP | 11.0 l/100km | Automatic (5) |
| BMW 840 Ci Mar 1996 — Jul 1999 | 4.4 Petrol | 286 HP | 13.0 l/100km | Manual (6) |
| BMW 840 Ci Mar 1996 — Jul 1999 | 4.4 Petrol | 286 HP | 13.0 l/100km | Automatic (5) |
| BMW 850i Oct 1989 — Oct 1992 | 5.0 Petrol | 300 HP | 13.0 l/100km | Manual (6) |
| BMW 850 Ci Oct 1992 — Mar 1996 | 5.0 Petrol | 300 HP | 13.0 l/100km | Manual (6) |
| BMW 850i Oct 1989 — Oct 1992 | 5.0 Petrol | 300 HP | 13.0 l/100km | Automatic (4) |
| BMW 850 Ci Oct 1992 — Mar 1996 | 5.0 Petrol | 300 HP | 13.0 l/100km | Automatic (4) |
| BMW 850 Ci Mar 1996 — Jul 1999 | 5.0 Petrol | 300 HP | 14.0 l/100km | Automatic (5) |
| BMW 850Ci 5.4 Jan 1994 — Dec 1999 | 5.4 Petrol | 326 HP | 14.0 l/100km | Automatic (5) |
|
BMW 850 CSi
Oct 1992 — Sep 1996 Most dynamic version - 100 km/h in 6 seconds |
5.6 Petrol | 381 HP | 18.0 l/100km | Manual (6) |