BMW 525td (E34)

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BMW 5 series 1988 2.5 diesel description

Sedan BMW 525td has been produced from May, 1993 to December, 1995. It has six-cylinder diesel engine with displacement of 2.5 litres, which produces power of 115 horsepower on 4800 rpm and torque 222 Nm (Newton metres) on 1900 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 TD0411G5 turbine. Engine versions compliant with Euro 1 and Euro 2 emission standards available. Engine lifespan (mileage before major repairs or overhaul) can last from 310 up to 520 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 5 series 2.5 engine oil type is 5W-40 and oil capacity is 6.5 litres.

BMW 525td has classical rear wheel drive (RWD) and manual gearbox with 5 gears.
BMW 525td accelerates to speed 100 kilometres per hour in 13 seconds. The maximum speed of this car is 194 km/h.

BMW 525td fuel consumption is 7.1 litres per 100km in combined city/highway mode (14.1 km/l) - this is one of most fuel efficient BMW 5 sērija 1988 - 1995 versions. Fuel tank capacity is 80 litres or 21.14 gallons, which gives a mileage up to 1120 kilometers without refueling in urban cycle.
According to user reviews, this BMW real everyday fuel consumption is 7.4 litres per 100 km, which is 4% more than the manufacturer's stated. More - Real BMW 5 series fuel consumption.

With the same engine there is also BMW 5 series version with automatic gearbox (BMW 525td AT) available, which is more sluggish, reaching 100 km/h 1 seconds later (in 14 seconds), but manufacturer's fuel consumption is higher by 0.2 litres per 100 km or 3 % - 7.3 litres per 100 km.

BMW 525td technical data

Model:	BMW 525td
Body style:	Sedan
Production period:	1993. May ... 1995. December
Engine:	2497 cm³ Diesel, 6 cylinders	CO2 emissions:	no data
Power:	115 HP ON 4800 RPM	Torque:	222 NM ON 1900 RPM
Gearbox:	Manual gearbox (5 gears)	Drive type:	Rear wheel drive (RWD)
Top speed:	194 km/h	Acceleration 0-100 km/h:	13.0 seconds
Fuel consumption (l/100km):	7.1 (combined)
Real fuel consumption:	7.4 l/100km (31.8 MPG) by user reviews from various sources
Fuel tank capacity:	80 litres (21.1 gallons)
Car dimensions:	4.72m (length) 1.75m (width) 1.41m (height)
Turning diameter:	11 meters
Trunk capacity:	460 litres
Gross weight:	1975 kg

BMW 525td engine M51D25 UL

Engine reliability:

Overall, this engine can last around 310,000 to 520,000 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 525td oil type	5W-40
Oil capacity	6.5 litres (6.9 quarts)
Coolant capacity	9.75 litres (10.3 quarts)
Power	115 HP ON 4800 RPM
Torque	222 NM ON 1900 RPM
Start of production (year)	1991
Duration of production	10 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 1994 onwards.
Engine also used on	BMW 3 sērija

Carmakers tend to use similar engines with different parameters for models available in different markets and time periods.

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Compare BMW 5 series 1988 2.5 diesel 1993 to other cars

All BMW 5 series sedan [1988 - 1995] modifications

Modification	Engine	Power	Consumption	Gearbox	Drive type
BMW 518i Oct 1989 — Jan 1994 Most fuel efficient petrol version by real consumption	1.8 Petrol	113 HP	8.6 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 518i Oct 1992 — Mai 1995 Most fuel efficient petrol version	1.8 Petrol	116 HP	8.1 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 518iN Jan 1994 — Dec 1995 Most fuel efficient petrol version	1.8 Petrol	116 HP	8.1 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 518iN Jan 1994 — Dec 1995	1.8 Petrol	116 HP	8.6 l/100km	Automatic ⁽⁴⁾	Rear wheel
BMW 518i Apr 1994 — Mai 1995	1.8 Petrol	116 HP	8.6 l/100km	Automatic ⁽⁴⁾	Rear wheel
BMW 520i Jan 1988 — Apr 1990	2.0 Petrol	129 HP	10.0 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 520i Jan 1988 — Apr 1990	2.0 Petrol	129 HP	10.0 l/100km	Automatic ⁽⁴⁾	Rear wheel
BMW 520i Apr 1990 — Dec 1995	2.0 Petrol	150 HP	8.9 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 520i Apr 1990 — Dec 1995	2.0 Petrol	150 HP	9.0 l/100km	Automatic ⁽⁵⁾	Rear wheel
BMW 524td Jan 1988 — Oct 1991	2.4 Diesel	116 HP	7.1 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 524td Jan 1988 — Oct 1991	2.4 Diesel	116 HP	7.3 l/100km	Automatic ⁽⁴⁾	Rear wheel
BMW 525i Jan 1988 — Apr 1990	2.5 Petrol	170 HP	9.5 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 525i Jan 1988 — Apr 1990	2.5 Petrol	170 HP	9.8 l/100km	Automatic ⁽⁴⁾	Rear wheel
BMW 525i Apr 1990 — Dec 1995	2.5 Petrol	192 HP	9.0 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 525i Apr 1990 — Dec 1995	2.5 Petrol	192 HP	8.8 l/100km	Automatic ⁽⁵⁾	Rear wheel
BMW 525iX 4x4 Oct 1991 — Dec 1995	2.5 Petrol	192 HP	9.6 l/100km	Manual ⁽⁵⁾	All wheel
BMW 525iX 4x4 Oct 1991 — Dec 1995	2.5 Petrol	192 HP	9.5 l/100km	Automatic ⁽⁵⁾	All wheel
BMW 525td Mai 1993 — Dec 1995 Most fuel efficient diesel version by real consumption	2.5 Diesel	115 HP	7.1 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 525td Mai 1993 — Dec 1995	2.5 Diesel	115 HP	7.3 l/100km	Automatic ⁽⁴⁾	Rear wheel
BMW 525tds Oct 1991 — Dec 1995 Most powerfull diesel version (143 HP) Most fuel efficient diesel version	2.5 Diesel	143 HP	7.0 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 525tds Oct 1991 — Dec 1995 Most powerfull diesel version (143 HP)	2.5 Diesel	143 HP	7.2 l/100km	Automatic ⁽⁵⁾	Rear wheel
BMW 530i Jan 1988 — Apr 1990	3.0 Petrol	188 HP	11.0 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 530i Jan 1988 — Apr 1990	3.0 Petrol	188 HP	11.0 l/100km	Automatic ⁽⁴⁾	Rear wheel
BMW 530i Oct 1992 — Dec 1995	3.0 Petrol	218 HP	11.0 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 530i Oct 1992 — Dec 1995	3.0 Petrol	218 HP	10.0 l/100km	Automatic ⁽⁵⁾	Rear wheel
BMW 535i Jan 1988 — Oct 1992	3.4 Petrol	211 HP	11.0 l/100km	Manual ⁽⁵⁾	Rear wheel
BMW 535i Jan 1988 — Oct 1992	3.4 Petrol	211 HP	12.0 l/100km	Automatic ⁽⁴⁾	Rear wheel
BMW 540i V8 Jan 1992 — Dec 1995 Most dynamic version - 100 km/h in 6.3 seconds	4.0 Petrol	286 HP	11.4 l/100km	Manual ⁽⁶⁾	Rear wheel
BMW 540i Oct 1992 — Dec 1995 Most powerfull petrol version (286 HP)	4.0 Petrol	286 HP	12.0 l/100km	Automatic ⁽⁵⁾	Rear wheel

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