BMW 725tds (E38)

BMW 7 series 1994 2.5 diesel description

Sedan BMW 725tds has been produced from March, 1996 to September, 1998. It has six-cylinder diesel engine with displacement of 2.5 litres, which produces power of 143 horsepower on 4600 rpm and torque 280 Nm (Newton metres) on 2200 revolutions per minute.

This 6-cylinder 12-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has precombustion chamber fuel system and MHI TD0413T4 turbine. Engine versions compliant with Euro 2 and Euro 3 emission standards available. Engine lifespan (mileage before major repairs or overhaul) can last from 270 up to 450 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 2.5 engine oil type is 5W-40 and oil capacity is 7 litres.

BMW 725tds has classical rear wheel drive (RWD) and manual gearbox with 5 gears.
BMW 725tds accelerates to speed 100 kilometres per hour in 11 seconds. The maximum speed of this car is 206 km/h.

BMW 725tds fuel consumption is 7.9 litres per 100km in combined city/highway mode (12.7 km/l) - this is the most fuel efficient BMW 7 sērija 1994 - 1998 version, city fuel economy - 11 l/100km, fuel consumption on highway - 6.2 l/100km. Fuel tank capacity is 85 litres or 22.46 gallons, which gives a mileage up to 1060 kilometers without refueling in urban cycle and even up to 1360 kilometers on highway.

With the same engine there is also BMW 7 series version with automatic gearbox (BMW 725tds AT) available, which is more sluggish, reaching 100 km/h 1 seconds later (in 12 seconds), but manufacturer's fuel consumption is higher by 1 litres per 100 km or 13 % - 8.9 litres per 100 km.
BMW 7 series 1994

BMW 725tds technical data

Model: BMW 725tds
Body style: Sedan
Production period: 1996. March ... 1998. September 
Engine: 2497 cm3 Diesel, 6 cylinders CO2 emissions: no data
Power: 143 HP ON 4600 RPM Torque: 280 NM ON 2200 RPM
Gearbox: Manual gearbox (5 gears) Drive type: Rear wheel drive (RWD)
Top speed: 206 km/h Acceleration 0-100 km/h: 11.0 seconds
Fuel consumption (l/100km): 7.9 (combined) 11.0 (urban) 6.2 (highway)
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: 2245 kg

BMW 725tds engine M51D25TU OL

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 2497 cm3
Number of cylinders 6
Bore (cylinder diameter) 80 mm
Stroke length (piston move) 82.8 mm
Compression ratio 22 : 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 Precombustion chamber
BMW 725tds oil type 5W-40
Oil capacity 7 litres (7.4 quarts)
Coolant capacity 9.8 litres (10.4 quarts)
Power 143 HP ON 4600 RPM
Torque 280 NM ON 2200 RPM
Start of production (year) 1991
Duration of production 10 years
Engine also used on BMW 5 sērija

All BMW 7 series sedan [1994 - 1998] modifications

Modification Engine Power Consumption Gearbox
BMW 725tds Mar 1996 — Sep 1998

Most fuel efficient diesel version

2.5 Diesel 143 HP 7.9 l/100km Manual (5)
BMW 725tds Mar 1996 — Sep 1998 2.5 Diesel 143 HP 8.9 l/100km Automatic (5)
BMW 728i Sep 1995 — Sep 1998

Most fuel efficient petrol version

2.8 Petrol 193 HP 10.0 l/100km Manual (5)
BMW 728i Sep 1995 — Sep 1998 2.8 Petrol 193 HP 11.0 l/100km Automatic (5)
BMW 728iL Mar 1996 — Sep 1998 2.8 Petrol 193 HP 11.0 l/100km Automatic (5)
BMW 730i Jun 1994 — Mar 1996 3.0 Petrol 218 HP 11.0 l/100km Manual (5)
BMW 730iL Jun 1994 — Mar 1996 3.0 Petrol 218 HP 11.0 l/100km Manual (5)
BMW 730i Jun 1994 — Mar 1996

Most fuel efficient petrol version

3.0 Petrol 218 HP 10.0 l/100km Automatic (5)
BMW 730iL Jun 1994 — Mar 1996

Most fuel efficient petrol version

3.0 Petrol 218 HP 10.0 l/100km Automatic (5)
BMW 735i Mar 1996 — Sep 1998 3.5 Petrol 235 HP 12.0 l/100km Manual (5)
BMW 735i Mar 1996 — Sep 1998 3.5 Petrol 235 HP 13.0 l/100km Automatic (5)
BMW 735iL Mar 1996 — Sep 1998 3.5 Petrol 235 HP 13.0 l/100km Automatic (5)
BMW 740i Jun 1994 — Mar 1996 4.0 Petrol 286 HP 12.0 l/100km Manual (5)
BMW 740i Jun 1994 — Mar 1996 4.0 Petrol 286 HP 12.0 l/100km Automatic (5)
BMW 740iL Jun 1994 — Mar 1996 4.0 Petrol 286 HP 12.0 l/100km Automatic (5)
BMW 740i Mar 1996 — Sep 1998

Most dynamic version - 100 km/h in 6.6 seconds

4.4 Petrol 286 HP 12.0 l/100km Manual (6)
BMW 740i Mar 1996 — Sep 1998 4.4 Petrol 286 HP 14.0 l/100km Automatic (5)
BMW 740iL Mar 1996 — Sep 1998 4.4 Petrol 286 HP 14.0 l/100km Automatic (5)
BMW 750i Sep 1994 — Mar 1996

Most dynamic version - 100 km/h in 6.6 seconds

5.4 Petrol 326 HP 12.0 l/100km Automatic (4)
BMW 750iL Sep 1994 — Mar 1996

Most dynamic version - 100 km/h in 6.6 seconds

5.4 Petrol 326 HP 12.0 l/100km Automatic (4)
BMW 750i Mar 1996 — Sep 1998

Most dynamic version - 100 km/h in 6.6 seconds

5.4 Petrol 326 HP 14.0 l/100km Automatic (5)
BMW 750iL Mar 1996 — Sep 1998

Most dynamic version - 100 km/h in 6.6 seconds

5.4 Petrol 326 HP 14.0 l/100km Automatic (5)
BMW 7 series 1994 reviews
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