BMW 325i (E90)

BMW 3 series 2005 2.5 petrol description

Sedan BMW 325i has been produced from September, 2007 to September, 2008. It has six-cylinder petrol engine with displacement of 2.5 litres, which produces power of 218 horsepower on 6500 rpm and torque 250 Nm (Newton metres) on 2750 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). Engine versions compliant with Euro 4 and Euro 5 emission standards available. Engine lifespan (mileage before major repairs or overhaul) can last from 220 up to 370 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 
On this engine, the valve seals and crankcase breather valve diaphragm tend to fail after  ...  This BMW 3 series 2.5 engine oil type is 5W-30 and oil capacity is 6.5 litres.

BMW 325i has classical rear wheel drive (RWD) and manual gearbox with 6 gears.
BMW 325i accelerates to speed 100 kilometres per hour in 6.7 seconds. The maximum speed of this car is 250 km/h.

BMW 325i fuel consumption is 7.1 litres per 100km in combined city/highway mode (14.1 km/l), fuel consumption in city - 9.8 l/100km, highway fuel economy - 5.5 l/100km. Fuel tank capacity is 63 litres or 16.64 gallons, which gives a mileage up to 880 kilometers without refueling in urban cycle and even up to 1140 kilometers on highway.
According to user reviews, this BMW real everyday fuel consumption is 9.5 litres per 100 km, which is 34% more than the manufacturer's stated. More - Real BMW 3 series fuel consumption.

BMW 3 series safety

During safety testing BMW 3 series has obtained 5 stars from five, which means very high safety level.
Adults (driver and passenger) safety of BMW 3 series is evaluated with five stars, children safety - with four stars, and for pedestrian protection BMW 3 series got one star.

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 2005

BMW 325i technical data

Model: BMW 325i
Body style: Sedan
Production period: 2007. September ... 2008. September 
Engine: 2497 cm3 Petrol, 6 cylinders CO2 emissions: 170 g/km
Power: 218 HP ON 6500 RPM Torque: 250 NM ON 2750 RPM
Gearbox: Manual gearbox (6 gears) Drive type: Rear wheel drive (RWD)
Top speed: 250 km/h Acceleration 0-100 km/h: 6.7 seconds
Fuel consumption (l/100km): 7.1 (combined) 9.8 (urban) 5.5 (highway)
Real fuel consumption: 9.5 l/100km (24.8 MPG) by user reviews from various sources
Fuel tank capacity: 63 litres (16.6 gallons)
Car dimensions: 4.52m (length) 1.82m (width) 1.42m (height)
Turning diameter: 11 meters
Seats: 5 seats
Trunk capacity: 460 litres
Gross weight: 1950 kg

BMW 325i engine N52B25

Engine reliability and common problems:

On this engine, the valve seals and crankcase breather valve diaphragm tend to fail after 80-100 000 km, leading to increased oil consumption. It is recommended to choose engines manufactured in the last years of production (after 2010). The engine is not suitable for power boost modifications.
Overall, this engine can last around 220,000 to 370,000 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) 82 mm
Stroke length (piston move) 78.8 mm
Compression ratio 11 : 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.

More service info
Timing chain change interval 120,000 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 325i oil type 5W-30
Oil capacity 6.5 litres (6.9 quarts) More service info
Power 177 - 218 HP ON 6500 RPM
Torque 230 - 250 NM ON 2750 RPM
Start of production (year) 2004
Duration of production 7 years
Engine also used on BMW 5 sērija BMW X3 BMW Z4

Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design.

All BMW 3 series sedan [2005 - 2008] modifications

Modification Engine Power Consumption Gearbox Drive type
BMW 316i Feb 2008 — Sep 2008

Most fuel efficient petrol version

1.6 Petrol 122 HP 5.9 l/100km Manual (6) Rear wheel
BMW 318i Sep 2005 — Sep 2007 2.0 Petrol 129 HP 7.3 l/100km Manual (6) Rear wheel
BMW 318i Sep 2005 — Sep 2007 2.0 Petrol 129 HP 7.3 l/100km Automatic (6) Rear wheel
BMW 318i Sep 2007 — Sep 2008

Most fuel efficient petrol version

2.0 Petrol 143 HP 5.9 l/100km Manual (6) Rear wheel
BMW 318i Sep 2007 — Sep 2008 2.0 Petrol 143 HP 6.4 l/100km Automatic (6) Rear wheel
BMW 320i Mar 2005 — Sep 2007 2.0 Petrol 150 HP 7.4 l/100km Manual (6) Rear wheel
BMW 320i Mar 2005 — Sep 2007 2.0 Petrol 150 HP 7.9 l/100km Automatic (6) Rear wheel
BMW 320i Sep 2007 — Sep 2008 2.0 Petrol 170 HP 6.1 l/100km Manual (6) Rear wheel
BMW 320i Sep 2007 — Sep 2008 2.0 Petrol 170 HP 6.5 l/100km Automatic (6) Rear wheel
BMW 320si Mar 2006 — Sep 2006 2.0 Petrol 173 HP 8.9 l/100km Manual (6) Rear wheel
BMW 318d Sep 2005 — Sep 2007 2.0 Diesel 122 HP 5.6 l/100km Manual (6) Rear wheel
BMW 318d Sep 2007 — Sep 2008

Most fuel efficient diesel version

2.0 Diesel 143 HP 4.7 l/100km Manual (6) Rear wheel
BMW 320d Mar 2005 — Sep 2007 2.0 Diesel 163 HP 5.7 l/100km Manual (6) Rear wheel
BMW 320d Mar 2005 — Sep 2007 2.0 Diesel 163 HP 6.7 l/100km Automatic (6) Rear wheel
BMW 320d Sep 2007 — Sep 2008

Most fuel efficient diesel version by real consumption

2.0 Diesel 177 HP 4.8 l/100km Manual (6) Rear wheel
BMW 320d Sep 2007 — Sep 2008 2.0 Diesel 177 HP 5.4 l/100km Automatic (6) Rear wheel
BMW 325i Mar 2005 — Sep 2007 2.5 Petrol 218 HP 8.4 l/100km Manual (6) Rear wheel
BMW 325i Sep 2007 — Sep 2008 2.5 Petrol 218 HP 7.1 l/100km Manual (6) Rear wheel
BMW 325i Mar 2005 — Sep 2007 2.5 Petrol 218 HP 9.0 l/100km Automatic (6) Rear wheel
BMW 325i Sep 2007 — Sep 2008 2.5 Petrol 218 HP 7.1 l/100km Automatic (6) Rear wheel
BMW 325xi 4x4 Sep 2005 — Sep 2007 2.5 Petrol 218 HP 9.2 l/100km Manual (6) All wheel
BMW 325xi 4x4 Sep 2005 — Sep 2007 2.5 Petrol 218 HP 9.9 l/100km Automatic (6) All wheel
BMW 325xi 4x4 Sep 2007 — Sep 2008 3.0 Petrol 218 HP 7.9 l/100km Manual (6) All wheel
BMW 325xi 4x4 Sep 2007 — Sep 2008 3.0 Petrol 218 HP 7.9 l/100km Automatic (6) All wheel
BMW 330i Mar 2005 — Sep 2007 3.0 Petrol 258 HP 8.7 l/100km Manual (6) Rear wheel
BMW 330i Mar 2005 — Sep 2007 3.0 Petrol 258 HP 9.0 l/100km Automatic (6) Rear wheel
BMW 330xi 4x4 Sep 2005 — Sep 2007 3.0 Petrol 258 HP 9.6 l/100km Manual (6) All wheel
BMW 330xi 4x4 Sep 2005 — Sep 2007 3.0 Petrol 258 HP 10.0 l/100km Automatic (6) All wheel
BMW 330i Sep 2007 — Sep 2008 3.0 Petrol 272 HP 7.2 l/100km Manual (6) Rear wheel
BMW 330i Sep 2007 — Sep 2008 3.0 Petrol 272 HP 7.2 l/100km Automatic (6) Rear wheel
BMW 330xi 4x4 Sep 2007 — Sep 2008 3.0 Petrol 272 HP 8.0 l/100km Manual (6) All wheel
BMW 330xi 4x4 Sep 2007 — Sep 2008 3.0 Petrol 272 HP 8.0 l/100km Automatic (6) All wheel
BMW 335i Sep 2006 — Sep 2008 3.0 Petrol 306 HP 9.1 l/100km Manual (6) Rear wheel
BMW 335i Sep 2006 — Sep 2008 3.0 Petrol 306 HP 9.6 l/100km Automatic (6) Rear wheel
BMW 335xi 4x4 Mar 2007 — Sep 2008

Most dynamic version - 100 km/h in 5.5 seconds

3.0 Petrol 306 HP 9.7 l/100km Manual (6) All wheel
BMW 335xi 4x4 Mar 2007 — Sep 2008 3.0 Petrol 306 HP 9.7 l/100km Automatic (6) All wheel
BMW 325d Sep 2006 — Sep 2008 3.0 Diesel 197 HP 5.9 l/100km Manual (6) Rear wheel
BMW 325d Sep 2006 — Sep 2008 3.0 Diesel 197 HP 6.9 l/100km Automatic (6) Rear wheel
BMW 330d Sep 2005 — Sep 2008 3.0 Diesel 231 HP 6.5 l/100km Manual (6) Rear wheel
BMW 330d Sep 2005 — Sep 2008 3.0 Diesel 231 HP 7.4 l/100km Automatic (6) Rear wheel
BMW 330xd 4x4 Sep 2005 — Sep 2008 3.0 Diesel 231 HP 7.2 l/100km Manual (6) All wheel
BMW 330xd 4x4 Sep 2005 — Sep 2008 3.0 Diesel 231 HP 8.0 l/100km Automatic (6) All wheel
BMW 335d Sep 2006 — Sep 2008

Most powerfull diesel version (286 HP)

3.0 Diesel 286 HP 6.0 l/100km Automatic (6) Rear wheel
BMW 3 series 2005 reviews
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