BMW 323i (E46)

BMW 3 series 1998 2.5 petrol description

Sedan BMW 323i has been produced from April, 1998 to September, 2000. It has six-cylinder petrol engine with displacement of 2.5 litres, which produces power of 170 horsepower on 5500 rpm and torque 245 Nm (Newton metres) on 3500 revolutions per minute.

This 6-cylinder 24-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system, this is an atmospheric engine (without turbine). The engine meets the Euro 2 emissions standard. 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 3 series 2.5 engine oil type is 5W-30 and oil capacity is 6.5 litres.

BMW 323i has classical rear wheel drive (RWD) and automatic gearbox with 5 gears.
BMW 323i accelerates to speed 100 kilometres per hour in 9 seconds. The maximum speed of this car is 228 km/h.

BMW 323i fuel consumption is 10 litres per 100km in combined city/highway mode (10 km/l), fuel consumption in city - 15 l/100km, highway fuel economy - 7.2 l/100km. Fuel tank capacity is 63 litres or 16.64 gallons, which gives a mileage up to 620 kilometers without refueling in urban cycle and even up to 860 kilometers on highway.
According to user reviews, the real everyday fuel consumption of this BMW is in line with the figure specified by the manufacturer. More - Real BMW 3 series fuel consumption.

With the same engine there is also BMW 3 series version with manual gearbox (BMW 323i MT) available, which is more dynamic - it reaches 100 km/h 1 seconds faster (in 8 seconds), moreover, it is more economic with manufacturer's fuel consumption is lower by 1 litres per 100 km or 10 % - 9.0 litres per 100 km, whereas users reported real fuel consumption is lower by 0.8 litres per 100 km or 8 % - 9.3 litres per 100 km.
BMW 3 series 1998

BMW 323i technical data

Model: BMW 323i
Body style: Sedan
Production period: 1998. April ... 2000. September 
Engine: 2494 cm3 Petrol, 6 cylinders CO2 emissions: 239 g/km
Power: 170 HP ON 5500 RPM Torque: 245 NM ON 3500 RPM
Gearbox: Automatic gearbox (5 gears) Drive type: Rear wheel drive (RWD)
Top speed: 228 km/h Acceleration 0-100 km/h: 9.0 seconds
Fuel consumption (l/100km): 10.0 (combined) 15.0 (urban) 7.2 (highway)
Real fuel consumption: 10.1 l/100km (23.3 MPG) by user reviews from various sources
Fuel tank capacity: 63 litres (16.6 gallons)
Car dimensions: 4.47m (length) 1.74m (width) 1.42m (height)
Turning diameter: 10 meters
Trunk capacity: 440 litres
Gross weight: 1910 kg

BMW 323i engine M52B25

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 2494 cm3
Number of cylinders 6
Bore (cylinder diameter) 84 mm
Stroke length (piston move) 75 mm
Compression ratio 10.5 : 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 323i oil type 5W-30
Oil capacity 6.5 litres (6.9 quarts)
Coolant capacity 8.4 litres (8.9 quarts)
Power 170 HP ON 5500 RPM
Torque 245 NM ON 3500 RPM
Start of production (year) 1994
Duration of production 7 years
Engine also used on BMW 5 sērija

All BMW 3 series sedan [1998 - 2001] modifications

Modification Engine Power Consumption Gearbox Drive type
BMW 316i Jan 1999 — Sep 2001

Most fuel efficient petrol version

1.9 Petrol 105 HP 7.9 l/100km Manual (5) Rear wheel
BMW 316i Jan 1999 — Sep 2001 1.9 Petrol 105 HP 9.0 l/100km Automatic (4) Rear wheel
BMW 318i 1.9 Petrol 118 HP 8.0 l/100km Manual (5) Rear wheel
BMW 318i 1.9 Petrol 118 HP 9.2 l/100km Automatic (4) Rear wheel
BMW 320i Apr 1998 — Sep 2000 2.0 Petrol 150 HP 8.9 l/100km Manual (5) Rear wheel
BMW 320i Apr 1998 — Sep 2000 2.0 Petrol 150 HP 10.0 l/100km Automatic (5) Rear wheel
BMW 320d

Most fuel efficient diesel version

2.0 Diesel 136 HP 5.7 l/100km Manual (5) Rear wheel
BMW 320d Sep 2000 — Sep 2001 2.0 Diesel 136 HP 6.9 l/100km Automatic (5) Rear wheel
BMW 320i Sep 2000 — Sep 2001 2.2 Petrol 170 HP 8.9 l/100km Manual (5) Rear wheel
BMW 320i Sep 2000 — Sep 2001 2.2 Petrol 170 HP 9.4 l/100km Automatic (5) Rear wheel
BMW 323i Apr 1998 — Sep 2000 2.5 Petrol 170 HP 9.0 l/100km Manual (5) Rear wheel
BMW 323i Apr 1998 — Sep 2000 2.5 Petrol 170 HP 10.0 l/100km Automatic (5) Rear wheel
BMW 325i Sep 2000 — Sep 2001 2.5 Petrol 192 HP 9.0 l/100km Manual (5) Rear wheel
BMW 325i Sep 2000 — Sep 2001 2.5 Petrol 192 HP 9.5 l/100km Automatic (5) Rear wheel
BMW 325xi 4x4 Sep 2000 — Sep 2001 2.5 Petrol 192 HP 9.6 l/100km Manual (5) All wheel
BMW 325xi 4x4 Sep 2000 — Sep 2001 2.5 Petrol 192 HP 10.0 l/100km Automatic (5) All wheel
BMW 328i Apr 1998 — Jun 2000 2.8 Petrol 193 HP 9.1 l/100km Manual (5) Rear wheel
BMW 328i Apr 1998 — Jun 2000 2.8 Petrol 193 HP 10.0 l/100km Automatic (5) Rear wheel
BMW 330d Sep 1999 — Sep 2001 2.9 Diesel 184 HP 6.7 l/100km Manual (5) Rear wheel
BMW 330d Jan 2000 — Sep 2001 2.9 Diesel 184 HP 8.0 l/100km Automatic (5) Rear wheel
BMW 330xd 4x4 Sep 2000 — Sep 2001 2.9 Diesel 184 HP 7.6 l/100km Manual (5) All wheel
BMW 330xd 4x4 Jan 2000 — Sep 2001 2.9 Diesel 184 HP 8.7 l/100km Automatic (5) All wheel
BMW 330i Jun 2000 — Sep 2001

Most dynamic version - 100 km/h in 6.5 seconds

3.0 Petrol 231 HP 9.1 l/100km Manual (5) Rear wheel
BMW 330i Jun 2000 — Sep 2001 3.0 Petrol 231 HP 9.6 l/100km Automatic (5) Rear wheel
BMW 330xi 4x4 Jun 2000 — Sep 2001 3.0 Petrol 231 HP 9.6 l/100km Manual (5) All wheel
BMW 330xi 4x4 Jun 2000 — Sep 2001 3.0 Petrol 231 HP 10.0 l/100km Automatic (5) All wheel
BMW 3 series 1998 reviews
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