BMW 325iX (E30)

BMW 3 series 1983 2.5 petrol description

Sedan BMW 325iX has been produced from October, 1986 to September, 1987. It has six-cylinder petrol engine with displacement of 2.5 litres, which produces power of 170 horsepower on 5800 rpm - this is the most powerfull BMW 3 sērija 1983 - 1991 version and torque 226 Nm (Newton metres) on 4000 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 without turbocharger. The engine meets the Euro 2 emissions standard. Average engine life expectancy (mileage before serious repairs are needed) is from 300 000 to 510 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs 
This BMW 3 series 2.5 engine oil type is 5W-30 and oil capacity is 4.75 litres.

BMW 325iX has AWD (all wheel drive) (power is automatically distributed between the wheel axles) and automatic gearbox with 4 gears. Viscous coupling locking central differential with 37% front / 63% rear torque split. The viscous coupling is integrated into the planetary central differential. It locks the differential in the event of wheel slip and transfers up to 90% of the torque to the axle with traction. The viscous locking rear differential distributes torque between the rear wheels.
BMW 325iX accelerates to speed 100 kilometres per hour in 10 seconds. The maximum speed of this car is 211 km/h.

The fuel consumption of this BMW 325iX in combined mode (combining urban and highway driving) is 8.9 litres per 100km (11.2 km/l). Fuel tank capacity is 62 litres or 16.38 gallons, which gives a mileage up to 680 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 21% more than the manufacturer's stated. More - Real BMW 3 series fuel consumption.

BMW 3 series 2.5 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
BMW 3 series 1983

BMW 325iX technical data

Model: BMW 325iX
Body style: Sedan
Production period: 1986. October ... 1987. September 
Engine: 2494 cm3 Petrol, 6 cylinders CO2 emissions: no data
Power: 170 HP ON 5800 RPM Torque: 226 NM ON 4000 RPM
Gearbox: Automatic gearbox (4 gears) Drive type: All wheel drive (AWD, 4x4)
Maximum speed: 211 km/h Acceleration 0-100 km/h: 10.0 seconds
Fuel consumption (l/100km): 8.9 (combined)
Real fuel consumption: 10.8 l/100km (21.8 MPG) by user reviews from various sources
Fuel tank capacity: 62 litres (16.4 gallons)
Car dimensions: 4.32m (length) 1.66m (width) 1.40m (height)
Turning diameter: 11 meters
Seats: 5 seats
Trunk capacity: 404 litres
Trunk max capacity: 425 litres (with rear seats folded down)
Gross weight: 1715 kg

BMW 325iX 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 325iX 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 4000 RPM
Start of production (year) 1977
Duration of production 15 years
Engine also used on BMW 5 sērija

All BMW 3 series sedan [1983 - 1991] modifications

Modification Engine Power Consumption Gearbox Drive type
BMW 316i Sep 1988 — Jan 1991 1.6 Petrol 99 HP 8.5 l/100km Manual (5) Rear wheel
BMW 316i Sep 1988 — Jan 1991 1.6 Petrol 99 HP 8.7 l/100km Automatic (4) Rear wheel
BMW 316 Jan 1983 — Sep 1987

Most fuel efficient petrol version

1.8 Petrol 90 HP 7.8 l/100km Manual (5) Rear wheel
BMW 316 Jan 1983 — Sep 1987

Most fuel efficient petrol version by real consumption

1.8 Petrol 90 HP 8.0 l/100km Automatic (4) Rear wheel
BMW 316i Sep 1987 — Sep 1988 1.8 Petrol 102 HP 8.6 l/100km Manual (5) Rear wheel
BMW 316i Sep 1987 — Sep 1988 1.8 Petrol 102 HP 8.9 l/100km Automatic (4) Rear wheel
BMW 318i Jan 1983 — Sep 1987

Most fuel efficient petrol version

1.8 Petrol 105 HP 7.8 l/100km Manual (5) Rear wheel
BMW 318i Jan 1983 — Sep 1987 1.8 Petrol 105 HP 8.0 l/100km Automatic (4) Rear wheel
BMW 318i Sep 1987 — Jan 1991 1.8 Petrol 113 HP 8.5 l/100km Manual (5) Rear wheel
BMW 318i Sep 1987 — Jan 1991 1.8 Petrol 113 HP 8.6 l/100km Automatic (4) Rear wheel
BMW 320i Jan 1983 — Oct 1985 2.0 Petrol 125 HP 8.6 l/100km Manual (5) Rear wheel
BMW 320i Jan 1983 — Oct 1985 2.0 Petrol 125 HP 8.6 l/100km Automatic (4) Rear wheel
BMW 320i Oct 1985 — Sep 1987 2.0 Petrol 129 HP 8.9 l/100km Manual (5) Rear wheel
BMW 320i Oct 1987 — Jan 1991 2.0 Petrol 129 HP 9.9 l/100km Manual (5) Rear wheel
BMW 320i Oct 1985 — Sep 1987 2.0 Petrol 129 HP 8.6 l/100km Automatic (4) Rear wheel
BMW 320i Oct 1987 — Jan 1991 2.0 Petrol 129 HP 9.9 l/100km Automatic (4) Rear wheel
BMW 323i Jan 1983 — Oct 1985 2.3 Petrol 150 HP 8.9 l/100km Manual (5) Rear wheel
BMW 323i Jan 1983 — Oct 1985 2.3 Petrol 150 HP 8.8 l/100km Automatic (4) Rear wheel
BMW 324d Oct 1985 — Jan 1991

Most fuel efficient diesel version

2.4 Diesel 86 HP 6.9 l/100km Manual (5) Rear wheel
BMW 324d Oct 1985 — Jan 1991 2.4 Diesel 86 HP 7.3 l/100km Automatic (4) Rear wheel
BMW 324td Oct 1987 — Jan 1991

Most powerfull diesel version (116 HP)

2.4 Diesel 116 HP 7.0 l/100km Manual (5) Rear wheel
BMW 324td Oct 1987 — Jan 1991

Most powerfull diesel version (116 HP)

2.4 Diesel 116 HP 7.0 l/100km Automatic (4) Rear wheel
BMW 325i Oct 1985 — Sep 1987

Most dynamic version - 100 km/h in 8.3 seconds

2.5 Petrol 170 HP 8.9 l/100km Manual (5) Rear wheel
BMW 325i Oct 1987 — Jan 1991

Most dynamic version - 100 km/h in 8.3 seconds

2.5 Petrol 170 HP 9.7 l/100km Manual (5) Rear wheel
BMW 325i Oct 1985 — Sep 1987 2.5 Petrol 170 HP 8.8 l/100km Automatic (4) Rear wheel
BMW 325i Oct 1987 — Jan 1991 2.5 Petrol 170 HP 9.9 l/100km Automatic (4) Rear wheel
BMW 325iX 4x4 Oct 1985 — Sep 1987

Most dynamic version - 100 km/h in 8.3 seconds

2.5 Petrol 170 HP 8.9 l/100km Manual (5) All wheel
BMW 325iX 4x4 Oct 1987 — Jan 1991 2.5 Petrol 170 HP 10.0 l/100km Manual (5) All wheel
BMW 325iX 4x4 Oct 1986 — Sep 1987 2.5 Petrol 170 HP 8.9 l/100km Automatic (4) All wheel
BMW 325iX 4x4 Oct 1987 — Jan 1991 2.5 Petrol 170 HP 10.0 l/100km Automatic (4) All wheel
BMW 325e Oct 1986 — Sep 1987 2.7 Petrol 129 HP 8.4 l/100km Manual (5) Rear wheel
BMW 325e Oct 1986 — Sep 1987 2.7 Petrol 129 HP 8.4 l/100km Automatic (4) Rear wheel
BMW 3 series 1983 reviews
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