BMW 640d

BMW 6 series 2015 3.0 diesel description

Cabrio BMW 640d has been produced from January, 2015 to December, 2018. It has six-cylinder diesel engine with displacement of 3.0 litres, which produces power of 313 horsepower on 4400 rpm and torque 630 Nm (Newton metres) on 1500 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 and BiTurbo turbine. Engine versions compliant with Euro 5 and Euro 6 emission standards available. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 220 000 and 370 000 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 6 series 3.0 engine oil type is 5W-30 and oil capacity is 6.5 litres.

BMW 640d has all four wheel drive (AWD, 4x4) and automatic gearbox with 8 gears.
BMW 640d accelerates to speed 100 kilometres per hour in 5.3 seconds. The maximum speed of this car is 250 km/h.

The fuel consumption of this version of BMW 640d reported by owners in daily driving mode is 8.7 litres per 100km.

With the same engine there is also BMW 6 series version with rear wheel drive and automatic gearbox (BMW 640d AT) available
BMW 6 series 3.0 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
BMW 6 series 2015

BMW 640d technical data

Model: BMW 640d
Body style: Cabrio
Production period: 2015. January ... 2018. December 
Engine: 2993 cm3 Diesel, 6 cylinders CO2 emissions: no data
Power: 313 HP ON 4400 RPM Torque: 630 NM ON 1500 RPM
Gearbox: Automatic gearbox (8 gears) Drive type: All wheel drive (AWD, 4x4)
Top speed: 250 km/h Acceleration 0-100 km/h: 5.3 seconds
Fuel consumption: 8.7 l/100km (27 MPG) by user reviews from various sources
Fuel tank capacity: 70 litres (18.5 gallons)
Car dimensions: 4.89m (length) 1.89m (width) 1.37m (height)
Turning diameter: 11.7 meters
Ground clearance: 123 mm (approximate, with standard suspension, unladen vehicle)
Trunk capacity: 300 litres
Trunk max capacity: 350 litres (with rear seats folded down)
Gross weight: 2440 kg

BMW 640d engine N57D30T1

Engine reliability:

Overall, this engine can last around 220,000 to 370,000 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 16.5 : 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 (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 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 640d oil type 5W-30
Oil capacity 6.5 litres (6.9 quarts) More service info
Coolant capacity 8 litres (8.5 quarts)
Power 313 HP ON 4400 RPM
Torque 630 NM ON 1500 RPM
Start of production (year) 2008
Duration of production 16 years
Engine also used on BMW 5 sērija BMW 3 sērija BMW X5 BMW 7 sērija BMW X3 BMW X6 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 6 series cabrio [2015 - 2018] modifications

Modification Engine Power Consumption Drive type
BMW 640i Cabrio Jan 2015 — Jan 2017

Most fuel efficient petrol version

3.0 Petrol 320 HP 7.6 l/100km Rear wheel
BMW 640i xDrive Cabrio 4x4 Jan 2015 — Jan 2017

Most fuel efficient petrol version by real consumption

3.0 Petrol 320 HP 8.0 l/100km All wheel
BMW 640d 3.0 Diesel 313 HP - Rear wheel
BMW 640d 4x4 3.0 Diesel 313 HP - All wheel
BMW 650i Cabrio Jan 2015 — Jan 2017

Most powerfull petrol version (450 HP)

4.4 Petrol 450 HP 8.9 l/100km Rear wheel
BMW 650i xDrive Cabrio 4x4 Jan 2015 — Jan 2017

Most dynamic version - 100 km/h in 4.5 seconds

4.4 Petrol 450 HP 9.3 l/100km All wheel
BMW 6 series 2015 reviews
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