BMW 325i (Touring E91)

BMW 3 series 2008 3.0 petrol description

Estate car / wagon BMW 325i has been produced from January, 2008 to December, 2012. It has six-cylinder petrol engine with displacement of 3.0 litres, which produces power of 218 horsepower on 6100 rpm and torque 270 Nm (Newton metres) on 2400 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, it has no turbine. The engine meets the Euro 5 emissions standard. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 270 000 and 450 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs 
Engine is relatively reliable. Most problems relate to the fuel injection system, spark plugs  ...  This BMW 3 series 3.0 engine oil type is 5W-30 and oil capacity is 6.5 litres.

BMW 325i has AWD (all wheel drive) (power is automatically distributed between the wheel axles) and manual gearbox with 6 gears. BMW xDrive is a proactive all-wheel drive system without a center differential that engages before the vehicle becomes destabilized, unnoticed by the driver. Torque is distributed between the axles by an electronically controlled multi-plate clutch in the transfer case. The clutch is partially locked most of the time, distributing power to both axles in a 40/60 front/rear ratio, but the system is capable of sending 100% of the torque to either axle. At high speeds or when parking, for example, the clutch is disengaged and all power is sent to the rear wheels. DSC (Dynamic Stability Control) also brakes the wheels individually to regain traction and assist in cornering.
BMW 325i accelerates to speed 100 kilometres per hour in 7.7 seconds. The maximum speed of this car is 242 km/h.

In combined cycle (city and motorway), the BMW 325i fuel consumption is 8.2 litres per 100km (12.2 km/l), city fuel economy - 11.1 l/100km, fuel consumption on highway - 6.5 l/100km. Fuel tank capacity is 63 litres or 16.64 gallons, which gives a mileage up to 760 kilometers without refueling in urban cycle and even up to 960 kilometers on highway.
According to user reviews, this BMW real everyday fuel consumption is 9.5 litres per 100 km, which is 16% more than the manufacturer's stated. More - Real BMW 3 series fuel consumption.

With the same engine there are also three other BMW 3 series versions - with rear wheel drive and manual gearbox (BMW 325i MT), and with rear wheel drive and automatic gearbox (BMW 325i AT), and with automatic gearbox (BMW 325i AT 4x4) available:
  • BMW 325i MT is more dynamic - it reaches 100 km/h 0.8 seconds faster (in 6.9 seconds), moreover, it is more economic with manufacturer's fuel consumption is lower by 0.9 litres per 100 km or 11 % - 7.3 litres per 100 km, whereas users reported real fuel consumption is lower by 1.1 litres per 100 km or 12 % - 8.4 litres per 100 km
  • BMW 325i AT is more dynamic - it reaches 100 km/h 0.4 seconds faster (in 7.3 seconds), but manufacturer's fuel consumption is lower by 0.6 litres per 100 km or 7 % - 7.6 litres per 100 km, whereas users reported real fuel consumption is higher by 0.2 litres per 100 km or 2 % - 9.7 litres per 100 km
  • BMW 325i AT 4x4 is more sluggish, reaching 100 km/h 0.4 seconds later (in 8.1 seconds), but manufacturer's fuel consumption is similar - 8.3 litres per 100 km, whereas users reported real fuel consumption is higher by 0.2 litres per 100 km or 2 % - 9.7 litres per 100 km
BMW 3 series 3.0 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
BMW 3 series 2008

BMW 325i technical data

Model: BMW 325i
Body style: Estate car / wagon
Production period: 2008. January ... 2012. December 
Engine: 2996 cm3 Petrol, 6 cylinders CO2 emissions: no data
Power: 218 HP ON 6100 RPM Torque: 270 NM ON 2400 RPM
Gearbox: Manual gearbox (6 gears) Drive type: All wheel drive (AWD, 4x4)
Top speed: 242 km/h Acceleration 0-100 km/h: 7.7 seconds
Fuel consumption (l/100km): 8.2 (combined) 11.1 (urban) 6.5 (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: 4.53m (length) 1.82m (width) 1.44m (height)
Turning diameter: 11.8 meters
Ground clearance: 140 mm (approximate, with standard suspension, unladen vehicle)
Trunk capacity: 460 litres
Trunk max capacity: 1385 litres (with rear seats folded down)
Gross weight: 2180 kg

BMW 325i engine N53B30 UL

Engine reliability and common problems:

Engine is relatively reliable. Most problems relate to the fuel injection system, spark plugs and coils, and the Vanos phase control system. Problems with the high pressure fuel pump were common in early model years. Otherwise the engine is considered to be of fair quality and 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 2996 cm3
Number of cylinders 6
Bore (cylinder diameter) 85 mm
Stroke length (piston move) 88 mm
Compression ratio 12 : 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
Coolant capacity 8.2 litres (8.7 quarts)
Power 204 - 218 HP ON 6100 RPM
Torque 270 NM ON 2400 RPM
Start of production (year) 2007
Duration of production 6 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 2010 onwards.

Engine also used on BMW 5 sērija

All BMW 3 series estate car [2008 - 2012] modifications

Modification Engine Power Consumption Gearbox Drive type
BMW 316i Touring Sep 2008 — Jan 2012

Most fuel efficient petrol version by real consumption

1.6 Petrol 122 HP 6.1 l/100km Manual (6) Rear wheel
BMW 318i Touring Sep 2008 — Jan 2012

Most fuel efficient petrol version

2.0 Petrol 143 HP 6.0 l/100km Manual (6) Rear wheel
BMW 318i Touring Sep 2008 — Jan 2012 2.0 Petrol 143 HP 6.5 l/100km Automatic (6) Rear wheel
BMW 320i Touring Sep 2008 — Jan 2012 2.0 Petrol 170 HP 6.2 l/100km Manual (6) Rear wheel
BMW 320i Touring Sep 2008 — Jan 2012 2.0 Petrol 170 HP 6.7 l/100km Automatic (6) Rear wheel
BMW 318d Touring Sep 2008 — Jan 2012

Most fuel efficient diesel version

2.0 Diesel 143 HP 4.8 l/100km Manual (6) Rear wheel
BMW 318d Touring Sep 2008 — Jan 2012

Most fuel efficient diesel version

2.0 Diesel 143 HP 4.8 l/100km Automatic (6) Rear wheel
BMW 320d Touring Sep 2008 — Jan 2012 2.0 Diesel 177 HP 4.9 l/100km Manual (6) Rear wheel
BMW 320d Touring Sep 2008 — Jan 2012 2.0 Diesel 177 HP 5.6 l/100km Automatic (6) Rear wheel
BMW 320d xDrive Touring 4x4 Sep 2008 — Jan 2012 2.0 Diesel 177 HP 5.6 l/100km Manual (6) All wheel
BMW 320d xDrive Touring 4x4 Sep 2008 — Jan 2012 2.0 Diesel 177 HP 6.0 l/100km Automatic (6) All wheel
BMW 320d Jan 2010 — Dec 2010 2.0 Diesel 184 HP 5.4 l/100km Manual (6) Rear wheel
BMW 320d Jan 2010 — Dec 2010

Most fuel efficient diesel version

2.0 Diesel 184 HP 4.8 l/100km Manual (6) Rear wheel
BMW 320d 4x4 Jan 2010 — Dec 2012 2.0 Diesel 184 HP 5.3 l/100km Manual (6) All wheel
BMW 320d 4x4 Jan 2010 — Dec 2012 2.0 Diesel 184 HP 5.8 l/100km Automatic (6) All wheel
BMW 325i Touring Sep 2008 — Jan 2012 2.5 Petrol 218 HP 7.2 l/100km Manual (6) Rear wheel
BMW 325i Touring Sep 2008 — Jan 2012 2.5 Petrol 218 HP 7.2 l/100km Automatic (6) Rear wheel
BMW 325i xDrive Touring 4x4 Sep 2008 — Jan 2012 2.5 Petrol 218 HP 8.0 l/100km Manual (6) All wheel
BMW 325i xDrive Touring 4x4 Sep 2008 — Jan 2012 2.5 Petrol 218 HP 8.0 l/100km Automatic (6) All wheel
BMW 325i 3.0 Petrol 218 HP 7.3 l/100km Manual (6) Rear wheel
BMW 325i 3.0 Petrol 218 HP 7.6 l/100km Automatic (6) Rear wheel
BMW 325i 4x4 3.0 Petrol 218 HP 8.2 l/100km Manual (6) All wheel
BMW 325i 4x4 3.0 Petrol 218 HP 8.3 l/100km Automatic (6) All wheel
BMW 330i Touring Sep 2008 — Jan 2012 3.0 Petrol 272 HP 7.3 l/100km Manual (6) Rear wheel
BMW 330i Touring Sep 2008 — Jan 2012 3.0 Petrol 272 HP 7.4 l/100km Automatic (6) Rear wheel
BMW 330i xDrive Touring 4x4 Sep 2008 — Jan 2012 3.0 Petrol 272 HP 8.1 l/100km Manual (6) All wheel
BMW 330i xDrive Touring 4x4 Sep 2008 — Jan 2012 3.0 Petrol 272 HP 8.1 l/100km Automatic (6) All wheel
BMW 335i Touring Sep 2008 — Jan 2012 3.0 Petrol 306 HP 9.8 l/100km Manual (6) Rear wheel
BMW 335i Touring Sep 2008 — Jan 2012 3.0 Petrol 306 HP 9.8 l/100km Automatic (6) Rear wheel
BMW 335xi Touring 4x4 Sep 2008 — Jan 2012

Most dynamic version - 100 km/h in 5.6 seconds

3.0 Petrol 306 HP 9.8 l/100km Manual (6) All wheel
BMW 335xi Touring 4x4 Sep 2008 — Jan 2012 3.0 Petrol 306 HP 9.8 l/100km Automatic (6) All wheel
BMW 325d Touring Sep 2008 — Jan 2012 3.0 Diesel 197 HP 5.9 l/100km Manual (6) Rear wheel
BMW 325d Touring Sep 2008 — Jan 2012 3.0 Diesel 197 HP 6.3 l/100km Automatic (6) Rear wheel
BMW 330d Touring Sep 2008 — Jan 2012 3.0 Diesel 245 HP 5.9 l/100km Manual (6) Rear wheel
BMW 330d Touring Sep 2008 — Jan 2012 3.0 Diesel 245 HP 6.3 l/100km Automatic (6) Rear wheel
BMW 330d xDrive Touring 4x4 Sep 2008 — Jan 2012 3.0 Diesel 245 HP 6.6 l/100km Manual (6) All wheel
BMW 330d xDrive Touring 4x4 Sep 2008 — Jan 2012 3.0 Diesel 245 HP 6.9 l/100km Automatic (6) All wheel
BMW 335d Touring Sep 2008 — Jan 2012

Most powerfull diesel version (286 HP)

3.0 Diesel 286 HP 6.8 l/100km Automatic (6) Rear wheel
BMW 3 series 2008 reviews
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