BMW 840d xDrive

BMW 8 series 2018 3.0 diesel description

Cabrio BMW 840d xDrive has been produced from January, 2018 to December, 2020. It has six-cylinder diesel engine with displacement of 3.0 litres, which produces power of 320 horsepower on 4400 rpm and torque 680 Nm (Newton metres) on 1750 revolutions per minute.

This 6-cylinder 24-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has Common Rail fuel system, this is an atmospheric engine (without turbine). The engine meets the Euro 6 emissions standard. Engine lifespan (mileage before major repairs or overhaul) can last from 250 up to 420 thousand 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 5W-30, 5W-40 and oil capacity is 6.5 litres.

BMW 840d xDrive has all four wheel drive (AWD, 4x4) and automatic gearbox with 8 gears.
BMW 840d xDrive accelerates to speed 100 kilometres per hour in 5.2 seconds. The maximum speed of this car is 250 km/h.

BMW 840d xDrive fuel consumption is 6.3 litres per 100km in combined city/highway mode (15.9 km/l) - this is the most fuel efficient BMW 8 sērija 2018 version, fuel consumption in city - 7.4 l/100km, highway fuel economy - 5.6 l/100km. Fuel tank capacity is 68 litres or 17.97 gallons, which gives a mileage up to 1060 kilometers without refueling in urban cycle and even up to 1200 kilometers on highway.

BMW 8 series 3.0 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
BMW 8 series 2018

BMW 840d xDrive technical data

Model: BMW 840d xDrive
Body style: Cabrio
Production period: 2018. January ... 2020. December 
Engine: 2993 cm3 Diesel, 6 cylinders CO2 emissions: 166 g/km
Power: 320 HP ON 4400 RPM Torque: 680 NM ON 1750 RPM
Gearbox: Automatic gearbox (8 gears) Drive type: All wheel drive (AWD, 4x4)
Top speed: 250 km/h Acceleration 0-100 km/h: 5.2 seconds
Fuel consumption (l/100km): 6.3 (combined) 7.4 (urban) 5.6 (highway)
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: 118 mm (approximate, with standard suspension, unladen vehicle)
Trunk capacity: 350 litres
Gross weight: 2485 kg

BMW 840d xDrive engine B57D30T0

Engine reliability:

Overall, this engine can last around 250,000 to 420,000 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 2993 cm3
Number of cylinders 6
Bore (cylinder diameter) 84 mm
Stroke length (piston move) 90 mm
Compression ratio 16 : 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 200,000 km (specified), 120,000 km (recommended)

Fuel system Common Rail

Common rail fuel injection provides more engine power, is quieter, more environmentally friendly and offers better fuel economy, but is more expensive to maintain and repair.

BMW 840d xDrive oil type 5W-30, 5W-40
Oil capacity 6.5 litres (6.9 quarts) More service info
Coolant capacity 9.5 litres (10 quarts)
Power 320 - 340 HP ON 4400 RPM
Torque 680 - 700 NM ON 1750 RPM
Start of production (year) 2015
Duration of production 9 years
Engine also used on BMW 5 sērija BMW X5 BMW 7 sērija BMW X3 BMW X6 BMW 6 sērija and 3 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 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
Add review about BMW 8 series 2018
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