BMW 8 series 1989 5.4 petrol description
Coupe BMW 850Ci 5.4 has been produced from January, 1994 to December, 1999. It has 12-cylinder petrol engine with displacement of 5.4 litres, which produces power of 326 horsepower on 5000 rpm and torque 490 Nm (Newton metres) on 3900 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, it has no turbine. The engine meets the Euro 3 emissions standard. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 310 000 and 520 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs
This BMW 8 series 5.4 engine oil type is 5W-40 and oil capacity is 8.5 litres.
BMW 850Ci 5.4 has classical rear wheel drive (RWD) and automatic gearbox with 5 gears.
BMW 850Ci 5.4 accelerates to speed 100 kilometres per hour in 6.3 seconds. The maximum speed of this car is 250 km/h.
In combined cycle (city and motorway), the BMW 850Ci 5.4 fuel consumption is 14 litres per 100km (7.1 km/l), fuel consumption in city - 21.1 l/100km, highway fuel economy - 9.9 l/100km. Fuel tank capacity is 90 litres or 23.78 gallons, which gives a mileage up to 640 kilometers without refueling in urban cycle and even up to 900 kilometers on highway.
BMW 850Ci 5.4 technical data
| Model: | BMW 850Ci 5.4 | ||
|---|---|---|---|
| Body style: | Coupe | ||
| Production period: | 1994. January ... 1999. December | ||
| Engine: | 5379 cm3 Petrol, 12 cylinders | CO2 emissions: | no data |
| Power: | 326 HP ON 5000 RPM | Torque: | 490 NM ON 3900 RPM |
| Gearbox: | Automatic gearbox (5 gears) | Drive type: | Rear wheel drive (RWD) |
| Top speed: | 250 km/h | Acceleration 0-100 km/h: | 6.3 seconds |
| Fuel consumption (l/100km): | 14.0 (combined) 21.1 (urban) 9.9 (highway) | ||
| Fuel tank capacity: | 90 litres (23.8 gallons) | ||
| Car dimensions: | 4.78m (length) 1.86m (width) 1.34m (height) | ||
| Trunk capacity: | 320 litres | ||
| Gross weight: | 2300 kg | ||
BMW 850Ci 5.4 engine M73B54
Engine reliability:
Overall, this engine can last around 310,000 to 520,000 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 | 5379 cm3 |
|---|---|
| Number of cylinders | 12 |
| Bore (cylinder diameter) | 85 mm |
| Stroke length (piston move) | 79 mm |
| Compression ratio | 10 : 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 850Ci 5.4 oil type | 5W-40 |
| Oil capacity | 8.5 litres (9 quarts) |
| Coolant capacity | 13 litres (13.7 quarts) |
| Power | 326 HP ON 5000 RPM |
| Torque | 490 NM ON 3900 RPM |
| Start of production (year) | 1994 |
| Duration of production | 8 years |
Often in the first years of production, engines tend to have various constructive problems, so it is recommended to choose a car with this engine from 1997 onwards. |
|
| Engine also used on | BMW 7 sērija |
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) |