BMW 750i (E38)

BMW 7 series 1998 5.4 petrol description

Sedan BMW 750i has been produced from September, 1998 to November, 2001. It has 12-cylinder petrol engine with displacement of 5.4 litres, which produces power of 326 horsepower on 5000 rpm - this is the most powerfull BMW 7 sērija 1998 - 2001 version and torque 490 Nm (Newton metres) on 3900 revolutions per minute.

This 12-cylinder 24-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system, this is an atmospheric engine (without turbine). The engine meets the Euro 3 emissions standard. Engine lifespan (mileage before major repairs or overhaul) can last from 320 up to 540 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 7 series 5.4 engine oil type is 5W-40 and oil capacity is 8.5 litres.

BMW 750i has classical rear wheel drive (RWD) and automatic gearbox with 5 gears.
BMW 750i accelerates to speed 100 kilometres per hour in 6.8 seconds. The maximum speed of this car is 250 km/h.

BMW 750i fuel consumption is 14 litres per 100km in combined city/highway mode (7.1 km/l), fuel consumption in city - 20 l/100km, highway fuel economy - 10 l/100km. Fuel tank capacity is 95 litres or 25.1 gallons, which gives a mileage up to 660 kilometers without refueling in urban cycle and even up to 940 kilometers on highway.
According to user reviews, the real everyday fuel consumption of this BMW is in line with, and sometimes even lower than, the manufacturer's stated combined consumption. More - Real BMW 7 series fuel consumption.

BMW 7 series 1998

BMW 750i technical data

Model: BMW 750i
Body style: Sedan
Production period: 1998. September ... 2001. November 
Engine: 5379 cm3 Petrol, 12 cylinders CO2 emissions: 327 g/km
Power: 326 HP ON 5000 RPM Torque: 490 NM ON 3900 RPM
Gearbox: Automatic gearbox (5 gears) Drive type: Rear wheel drive (RWD)
Top speed: 250 km/h Acceleration 0-100 km/h: 6.8 seconds
Fuel consumption (l/100km): 14.0 (combined) 20.0 (urban) 10.0 (highway)
Real fuel consumption: 14.9 l/100km (15.8 MPG) by user reviews from various sources
Fuel tank capacity: 95 litres (25.1 gallons)
Car dimensions: 4.98m (length) 1.86m (width) 1.42m (height)
Turning diameter: 12 meters
Trunk capacity: 500 litres
Gross weight: 2515 kg

BMW 750i engine M73TU

Engine reliability:

Overall, this engine can last around 320,000 to 540,000 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 5379 cm3
Number of cylinders 12
Bore (cylinder diameter) 85 mm
Stroke length (piston move) 79 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.

Fuel system Injection
BMW 750i oil type 5W-40
Oil capacity 8.5 litres (9 quarts)
Coolant capacity 13 litres (13.7 quarts)
Power 326 HP ON 5000 RPM
Torque 490 NM ON 3900 RPM
Start of production (year) 1998
Duration of production 4 years

All BMW 7 series sedan [1998 - 2001] modifications

Modification Engine Power Consumption Gearbox
BMW 725tds Sep 1998 — Mai 2000

Most fuel efficient diesel version

2.5 Diesel 143 HP 8.2 l/100km Manual (5)
BMW 725tds Sep 1998 — Mai 2000 2.5 Diesel 143 HP 9.5 l/100km Automatic (5)
BMW 728i Sep 1998 — Nov 2001

Most fuel efficient petrol version

2.8 Petrol 193 HP 10.0 l/100km Manual (5)
BMW 728i Sep 1998 — Nov 2001 2.8 Petrol 193 HP 11.0 l/100km Automatic (5)
BMW 728iL Sep 1998 — Nov 2001 2.8 Petrol 193 HP 11.0 l/100km Automatic (5)
BMW 730d Sep 1998 — Nov 2001

Most fuel efficient diesel version by real consumption

2.9 Diesel 184 HP 8.7 l/100km Automatic (5)
BMW 730d Jan 2000 — Dec 2001 2.9 Diesel 193 HP 8.8 l/100km Automatic (5)
BMW 735i Sep 1998 — Nov 2001 3.5 Petrol 238 HP 12.0 l/100km Automatic (5)
BMW 735iL Sep 1998 — Nov 2001 3.5 Petrol 238 HP 12.0 l/100km Automatic (5)
BMW 740d Apr 1999 — Nov 2001

Most powerfull diesel version (238 HP)

3.9 Diesel 238 HP 9.8 l/100km Automatic (5)
BMW 740i Sep 1998 — Nov 2001 4.4 Petrol 286 HP 12.0 l/100km Automatic (5)
BMW 740iL Sep 1998 — Nov 2001 4.4 Petrol 286 HP 13.0 l/100km Automatic (5)
BMW L7 High-Line Apr 1998 — Nov 2001 5.4 Petrol 326 HP 15.0 l/100km Automatic (5)
BMW 750i Sep 1998 — Nov 2001 5.4 Petrol 326 HP 14.0 l/100km Automatic (5)
BMW 750iL Sep 1998 — Nov 2001

Most dynamic version - 100 km/h in 6.6 seconds

5.4 Petrol 326 HP 14.0 l/100km Automatic (5)
BMW 7 series 1998 reviews
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