BMW 735i (E38)

BMW 7 series 1998 3.5 petrol description

Sedan BMW 735i has been produced from September, 1998 to November, 2001. It has eight-cylinder petrol engine with displacement of 3.5 litres, which produces power of 235 horsepower on 5800 rpm and torque 320 Nm (Newton metres) on 3800 revolutions per minute.

This 8-cylinder 32-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system, it has no turbine. Engine versions compliant with Euro 2 and Euro 3 emission standards available. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 270 000 and 450 000 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 3.5 engine oil type is 5W-30 and oil capacity is 7.5 litres.

BMW 735i has classical rear wheel drive (RWD) and automatic gearbox with 5 gears.
BMW 735i accelerates to speed 100 kilometres per hour in 8.2 seconds. The maximum speed of this car is 243 km/h.

In combined cycle (city and motorway), the BMW 735i fuel consumption is 12 litres per 100km (8.3 km/l), city fuel economy - 17 l/100km, fuel consumption on highway - 9.1 l/100km. Fuel tank capacity is 85 litres or 22.46 gallons, which gives a mileage up to 700 kilometers without refueling in urban cycle and even up to 920 kilometers on highway.
According to user reviews, this BMW real everyday fuel consumption is 12.9 litres per 100 km, which is 8% more than the manufacturer's stated. More - Real BMW 7 series fuel consumption.

BMW 7 series 1998

BMW 735i technical data

Model: BMW 735i
Body style: Sedan
Production period: 1998. September ... 2001. November 
Engine: 3498 cm3 Petrol, 8 cylinders CO2 emissions: 291 g/km
Power: 235 HP ON 5800 RPM Torque: 320 NM ON 3800 RPM
Gearbox: Automatic gearbox (5 gears) Drive type: Rear wheel drive (RWD)
Top speed: 243 km/h Acceleration 0-100 km/h: 8.2 seconds
Fuel consumption (l/100km): 12.0 (combined) 17.0 (urban) 9.1 (highway)
Real fuel consumption: 12.9 l/100km (18.2 MPG) by user reviews from various sources
Fuel tank capacity: 85 litres (22.5 gallons)
Car dimensions: 4.98m (length) 1.86m (width) 1.44m (height)
Turning diameter: 12 meters
Trunk capacity: 500 litres
Gross weight: 2345 kg

BMW 735i engine M62B35

Engine reliability:

Overall, this engine can last around 270,000 to 450,000 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 3498 cm3
Number of cylinders 8
Bore (cylinder diameter) 84 mm
Stroke length (piston move) 78.9 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 735i oil type 5W-30
Oil capacity 7.5 litres (7.9 quarts)
Coolant capacity 12.5 litres (13.2 quarts)
Power 235 HP ON 5800 RPM
Torque 320 NM ON 3800 RPM
Start of production (year) 1996
Duration of production 9 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 1999 onwards.

Engine also used on BMW 5 sērija

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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