BMW 730Li (E65/E66)

BMW 7 series 2005 3.0 petrol description

Sedan BMW 730Li has been produced from April, 2005 to November, 2008. It has six-cylinder petrol engine with displacement of 3.0 litres, which produces power of 258 horsepower on 6600 rpm and torque 300 Nm (Newton metres) on 2500 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 without turbocharger. Engine versions compliant with Euro 4 and Euro 5 emission standards available. Average engine life expectancy (mileage before serious repairs are needed) is from 240 000 to 410 000 kilometres. Remember that engine life depends on regular maintenance and the quality of the materials used (oils, fuels, etc.).
More engine specs 
This BMW 7 series 3.0 engine oil type is 5W-30 and oil capacity is 6.5 litres.

BMW 730Li has classical rear wheel drive (RWD) and automatic gearbox with 6 gears.
BMW 730Li accelerates to speed 100 kilometres per hour in 7.9 seconds. The maximum speed of this car is 244 km/h.

The fuel consumption of this BMW 730Li in combined mode (combining urban and highway driving) is 10 litres per 100km (10 km/l), fuel consumption in city - 15 l/100km, highway fuel economy - 7.5 l/100km. Fuel tank capacity is 88 litres or 23.25 gallons, which gives a mileage up to 880 kilometers without refueling in urban cycle and even up to 1160 kilometers on highway.

BMW 7 series 3.0 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
BMW 7 series 2005

BMW 730Li technical data

Model: BMW 730Li
Body style: Sedan
Production period: 2005. April ... 2008. November 
Engine: 2996 cm3 Petrol, 6 cylinders CO2 emissions: 242 g/km
Power: 258 HP ON 6600 RPM Torque: 300 NM ON 2500 RPM
Gearbox: Automatic gearbox (6 gears) Drive type: Rear wheel drive (RWD)
Maximum speed: 244 km/h Acceleration 0-100 km/h: 7.9 seconds
Fuel consumption (l/100km): 10.0 (combined) 15.0 (urban) 7.5 (highway)
Fuel tank capacity: 88 litres (23.2 gallons)
Car dimensions: 5.18m (length) 1.90m (width) 1.48m (height)
Turning diameter: 13 meters
Trunk capacity: 500 litres
Gross weight: 2415 kg

BMW 730Li engine N52B30

Engine reliability:

Overall, this engine can last around 240,000 to 410,000 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 2996 cm3
Number of cylinders 6
Bore (cylinder diameter) 85 mm
Stroke length (piston move) 88 mm
Compression ratio 10.7 : 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 120,000 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 730Li oil type 5W-30
Oil capacity 6.5 litres (6.9 quarts) More service info
Coolant capacity 11.4 litres (12 quarts)
Power 218 - 272 HP ON 6600 RPM
Torque 270 - 315 NM ON 2500 RPM
Start of production (year) 2004
Duration of production 7 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 2007 onwards.

Engine also used on BMW 5 sērija BMW 3 sērija BMW X5 BMW 1 sērija and 5 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 7 series sedan [2005 - 2008] modifications

Modification Engine Power Consumption
BMW 730i Apr 2005 — Nov 2008

Most fuel efficient petrol version

3.0 Petrol 258 HP 10.0 l/100km
BMW 730Li Apr 2005 — Nov 2008

Most fuel efficient petrol version

3.0 Petrol 258 HP 10.0 l/100km
BMW 730d Apr 2005 — Nov 2008

Most fuel efficient diesel version

3.0 Diesel 231 HP 8.2 l/100km
BMW 730Ld Sep 2005 — Nov 2008

Most fuel efficient diesel version

3.0 Diesel 231 HP 8.2 l/100km
BMW 740i Apr 2005 — Nov 2008 4.0 Petrol 306 HP 11.0 l/100km
BMW 740Li Apr 2005 — Nov 2008 4.0 Petrol 306 HP 11.0 l/100km
BMW 745d Apr 2005 — Nov 2008 4.4 Diesel 300 HP 9.5 l/100km
BMW 745d

Most powerfull diesel version (330 HP)

4.4 Diesel 330 HP 9.0 l/100km
BMW 750i Apr 2005 — Nov 2008

Most fuel efficient petrol version by real consumption

4.8 Petrol 367 HP 11.0 l/100km
BMW 750Li Apr 2005 — Nov 2008

Most fuel efficient petrol version by real consumption

4.8 Petrol 367 HP 12.0 l/100km
BMW 760i Apr 2005 — Nov 2008

Most dynamic version - 100 km/h in 5.5 seconds

6.0 Petrol 445 HP 13.0 l/100km
BMW 760Li Apr 2005 — Nov 2008

Most powerfull petrol version (445 HP)

6.0 Petrol 445 HP 14.0 l/100km
BMW 7 series 2005 reviews
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