BMW 525i (E34)

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BMW 5 series 1988 2.5 petrol description

Sedan BMW 525i has been produced from January, 1988 to April, 1990. It has six-cylinder petrol engine with displacement of 2.5 litres, which produces power of 170 horsepower on 5800 rpm and torque 222 Nm (Newton metres) on 4300 revolutions per minute.

This 6-cylinder 12-valve engine camshaft is driven by belt (What is an engine chain and belt? ). Engine has fuel injection system, it has no turbine. The engine meets the Euro 2 emissions standard. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 300 000 and 510 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs
This BMW 5 series 2.5 engine oil type is 5W-30 and oil capacity is 4.75 litres.

BMW 525i has classical rear wheel drive (RWD) and automatic gearbox with 4 gears.
BMW 525i accelerates to speed 100 kilometres per hour in 11 seconds. The maximum speed of this car is 217 km/h.

In combined cycle (city and motorway), the BMW 525i fuel consumption is 9.8 litres per 100km (10.2 km/l). Fuel tank capacity is 80 litres or 21.14 gallons, which gives a mileage up to 800 kilometers without refueling in urban cycle.
According to user reviews, this BMW real everyday fuel consumption is 10.8 litres per 100 km, which is 10% 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 manual gearbox (BMW 525i MT) available, which is more dynamic - it reaches 100 km/h 1.5 seconds faster (in 9.5 seconds), moreover, it is more economic with manufacturer's fuel consumption is lower by 0.3 litres per 100 km or 3 % - 9.5 litres per 100 km, whereas users reported real fuel consumption is lower by 0.6 litres per 100 km or 6 % - 10.2 litres per 100 km.

BMW 5 series 2.5 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.

BMW 525i technical data

Model:	BMW 525i
Body style:	Sedan
Production period:	1988. January ... 1990. April
Engine:	2494 cm³ Petrol, 6 cylinders	CO2 emissions:	no data
Power:	170 HP ON 5800 RPM	Torque:	222 NM ON 4300 RPM
Gearbox:	Automatic gearbox (4 gears)	Drive type:	Rear wheel drive (RWD)
Top speed:	217 km/h	Acceleration 0-100 km/h:	11.0 seconds
Fuel consumption (l/100km):	9.8 (combined)
Real fuel consumption:	10.8 l/100km (21.8 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:	1980 kg

BMW 525i engine M20B25

Engine reliability:

Overall, this engine can last around 300,000 to 510,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.

Engine displacement	2494 cm³
Number of cylinders	6
Bore (cylinder diameter)	84 mm
Stroke length (piston move)	75 mm
Compression ratio	8.8 : 1
Camshaft drive	Timing belt Timing belt engines are generally quieter and less vibrating than chain engines, but belt usually needs to be replaced more often and the risk of breakage is higher. More service info
Timing belt change interval	50,000 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 525i oil type	5W-30
Oil capacity	4.75 litres (5 quarts) More service info
Power	170 - 175 HP ON 5800 RPM
Torque	220 - 225 NM ON 4300 RPM
Start of production (year)	1977
Duration of production	15 years
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 petrol 1988 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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