BMW 8 series 2018 4.4 petrol description
Cabrio BMW M850i xDrive has been produced from January, 2018 to December, 2022. It has eight-cylinder petrol engine with displacement of 4.4 litres, which produces power of 530 horsepower on 6000 rpm - this is the most powerfull BMW 8 sērija 2018 version and torque 750 Nm (Newton metres) on 1800 revolutions per minute.
This 8-cylinder 32-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system and twinscroll turbine. Engine versions compliant with Euro 5 and Euro 6 emission standards available. Engine lifespan (mileage before major repairs or overhaul) can last from 170 up to 280 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 4.4 engine oil type is 5W-30 and oil capacity is 8.5 litres.
BMW M850i xDrive has all four wheel drive (AWD, 4x4) and automatic gearbox with 8 gears.
BMW M850i xDrive accelerates to speed 100 kilometres per hour in 3.9 seconds. The maximum speed of this car is 250 km/h.
BMW M850i xDrive fuel consumption is 10 litres per 100km in combined city/highway mode (10 km/l), city fuel economy - 13.6 l/100km, fuel consumption on highway - 8 l/100km. Fuel tank capacity is 68 litres or 17.97 gallons, which gives a mileage up to 680 kilometers without refueling in urban cycle and even up to 840 kilometers on highway.
According to user reviews, this BMW real everyday fuel consumption is 12.5 litres per 100 km, which is 25% more than the manufacturer's stated. More - Real BMW 8 series fuel consumption.
BMW M850i xDrive technical data
| Model: | BMW M850i xDrive | ||
|---|---|---|---|
| Body style: | Cabrio | ||
| Production period: | 2018. January ... 2022. December | ||
| Engine: | 4395 cm3 Petrol, 8 cylinders | CO2 emissions: | no data |
| Power: | 530 HP ON 6000 RPM | Torque: | 750 NM ON 1800 RPM |
| Gearbox: | Automatic gearbox (8 gears) | Drive type: | All wheel drive (AWD, 4x4) |
| Top speed: | 250 km/h | Acceleration 0-100 km/h: | 3.9 seconds |
| Fuel consumption (l/100km): | 10.0 (combined) 13.6 (urban) 8.0 (highway) | ||
| Real fuel consumption: | 12.5 l/100km (18.8 MPG) by user reviews from various sources | ||
| Fuel tank capacity: | 68 litres (18 gallons) | ||
| Car dimensions: | 4.85m (length) 1.90m (width) 1.35m (height) | ||
| Turning diameter: | 11.9 meters | ||
| Ground clearance: | 125 mm (approximate, with standard suspension, unladen vehicle) | ||
| Trunk capacity: | 350 litres | ||
| Gross weight: | 2515 kg | ||
BMW M850i xDrive engine N63B44T3
Engine reliability:
Overall, this engine can last around 170,000 to 280,000 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 | 4395 cm3 |
|---|---|
| Number of cylinders | 8 |
| Bore (cylinder diameter) | 89 mm |
| Stroke length (piston move) | 88.3 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. More service info |
| Timing chain change interval | 100,000 km (recommended) Sometimes manufacturers do not specify timing chain replacement intervals and design chains for engine life. However, once the recommended change interval has been reached, it is recommended to periodically check the condition of the chain and to change the chain if excessive stretching is detected or if unusual noises from the engine or other symptoms occur. |
| Fuel system | Injection |
| BMW M850i xDrive oil type | 5W-30 |
| Oil capacity | 8.5 litres (9 quarts) More service info |
| Coolant capacity | 10 litres (10.6 quarts) |
| Power | 530 HP ON 6000 RPM |
| Torque | 750 NM ON 1800 RPM |
| Start of production (year) | 2008 |
| Duration of production | 17 years |
| Engine also used on | BMW 5 sērija BMW 7 sērija BMW X6 |
Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design. |
Most often compared to
All BMW 8 series cabrio [2018 modifications
| Modification | Engine | Power | Consumption |
|---|---|---|---|
|
BMW 840i 4x4
Jan 2018 — Dec 2020 Most fuel efficient petrol version |
3.0 Petrol | 340 HP | 7.5 l/100km |
| BMW 840i xDrive 4x4 | 3.0 Petrol | 340 HP | 7.8 l/100km |
| BMW 840d xDrive 4x4 Jan 2018 — Dec 2020 | 3.0 Diesel | 320 HP | 6.3 l/100km |
|
BMW M850i xDrive 4x4
Jan 2018 — Dec 2022 Most dynamic version - 100 km/h in 3.9 seconds |
4.4 Petrol | 530 HP | 10.0 l/100km |