BMW 840i xDrive

BMW 8 series 2018 3.0 petrol description

Coupe BMW 840i xDrive has been produced from January, 2018 to December, 2020. It has six-cylinder petrol engine with displacement of 3.0 litres, which produces power of 340 horsepower on 5000 rpm and torque 500 Nm (Newton metres) on 1600 revolutions per minute.

This 6-cylinder 24-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system and Twin-Scroll turbine. The engine meets the Euro 6 emissions standard. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 210 000 and 360 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs 
This BMW 8 series 3.0 engine oil type is 0W-20, 0W-30, 5W-30 and oil capacity is 6.5 litres.

BMW 840i xDrive has all four wheel drive (AWD, 4x4) and automatic gearbox with 8 gears.
BMW 840i xDrive accelerates to speed 100 kilometres per hour in 4.7 seconds. The maximum speed of this car is 250 km/h.

In combined cycle (city and motorway), the BMW 840i xDrive fuel consumption is 7.7 litres per 100km (13 km/l), fuel consumption in city - 9.6 l/100km, highway fuel economy - 6.5 l/100km. Fuel tank capacity is 68 litres or 17.97 gallons, which gives a mileage up to 880 kilometers without refueling in urban cycle and even up to 1040 kilometers on highway.

With the same engine there is also BMW 8 series version with rear wheel drive and automatic gearbox (BMW 840i AT) available, which is more sluggish, reaching 100 km/h 0.3 seconds later (in 5 seconds), but more economic with manufacturer's fuel consumption is lower by 0.4 litres per 100 km or 5 % - 7.3 litres per 100 km.
BMW 8 series 2018

BMW 840i xDrive technical data

Model: BMW 840i xDrive
Body style: Coupe
Production period: 2018. January ... 2020. December 
Engine: 2998 cm3 Petrol, 6 cylinders CO2 emissions: 174 g/km
Power: 340 HP ON 5000 RPM Torque: 500 NM ON 1600 RPM
Gearbox: Automatic gearbox (8 gears) Drive type: All wheel drive (AWD, 4x4)
Top speed: 250 km/h Acceleration 0-100 km/h: 4.7 seconds
Fuel consumption (l/100km): 7.7 (combined) 9.6 (urban) 6.5 (highway)
Fuel tank capacity: 68 litres (18 gallons)
Car dimensions: 4.84m (length) 1.90m (width) 1.34m (height)
Turning diameter: 11.9 meters
Ground clearance: 121 mm (approximate, with standard suspension, unladen vehicle)
Trunk capacity: 420 litres
Gross weight: 2280 kg

BMW 840i xDrive engine B58B30M0

Engine reliability:

Overall, this engine can last around 210,000 to 360,000 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 2998 cm3
Number of cylinders 6
Bore (cylinder diameter) 82 mm
Stroke length (piston move) 94.6 mm
Compression ratio 11 : 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 840i xDrive oil type 0W-20, 0W-30, 5W-30
Oil capacity 6.5 litres (6.9 quarts)
Coolant capacity 6.9 litres (7.3 quarts)
Power 326 - 340 HP ON 5000 RPM
Torque 450 - 500 NM ON 1600 RPM
Start of production (year) 2015
Duration of production 9 years
Engine also used on BMW 5 sērija BMW 3 sērija BMW X5 BMW 7 sērija BMW 1 sērija and 7 other models

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.

All BMW 8 series coupe [2018 - 2022] modifications

Modification Engine Power Consumption Drive type
BMW 840i Jan 2018 — Dec 2020

Most fuel efficient petrol version

3.0 Petrol 340 HP 7.3 l/100km Rear wheel
BMW 840i xDrive 4x4 Jan 2018 — Dec 2020 3.0 Petrol 340 HP 7.7 l/100km All wheel
BMW 840d xDrive 4x4 Jan 2018 — Dec 2020 3.0 Diesel 320 HP 6.2 l/100km All wheel
BMW M850i xDrive 4x4

Most dynamic version - 100 km/h in 3.7 seconds

4.4 Petrol 530 HP 10.5 l/100km All wheel
Add review about BMW 8 series 2018
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