M54B25 BMW M54B25
Рядний 6-циліндровий атмосферний двигун з високою надійністю та хорошими характеристиками для свого часу.
86
Brand engines
8
Modifications
Technical Specifications
| Engine Displacement | 2.5 L (2,494 cc) |
| Configuration | Inline-6 |
| Number of Cylinders | 6 |
| Valves per Cylinder | 4 |
| Power | 184 - 192 л.с. |
| Torque | 235 - 245 Н*м |
| Cylinder Bore | 84.00 mm |
| Piston Stroke | 75.00 mm |
| Compression Ratio | 10.5:1 |
| Firing Order | 1-5-3-6-2-4 |
| Fuel System | Multi-point fuel injection |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 6,500 rpm |
| Max Torque RPM | 3,500 rpm |
| Valve Train | DOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 250000 or as needed |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 161 kg |
| Dimensions (L×W×H) | null mm |
| Lubrication System | Wet sump |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | BMW M54 engine series |
| Manufacturing Plant | Steyr, Austria |
| Predecessor | M52TUB25 |
| Successor | N52B25 |
Maintenance
| Engine Oil Capacity | 6.5 L (with filter: 6.75 L) |
| Recommended Viscosity | 5W-30, 5W-40 |
| Oil Standard | BMW Longlife-01 |
| Recommended Brands | Castrol Edge, Mobil 1, Shell Helix |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | 11427512300 |
| Air Filter |
13721730946
Replace every 60 000 km |
| Fuel filter | 13327512019 |
| Cabin Filter | 64319194018 |
| Spark Plugs |
Type: Platinum Part number: 12120037607Gap: 0.8 mm Quantity: 6 pcs Replace every 60 000 km |
| Coolant Capacity | 10 L |
| Coolant Type | G11 (BMW Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 120°C |
| Annual Maintenance Cost | 700-1000 USD |
Reliability
Expected lifespan: 300 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Oil leaks from valve cover gasket | Medium | 100000-150000 km | $200-400 |
| Cooling system failures | High | 120000-180000 km | $500-1000 |
Known defects
- VANOS seals wear
- DISA valve failure
Tuning potential
Tuning potential: Medium | Max. safe power: 260 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 210 hp | 260 Nm |
ECU remap only Reliability impact: Minimal |
$400 |
| Stage 2 | 230 hp | 280 Nm |
ECU, Intake, Exhaust Required: Cold air intake, Exhaust system, ECU remap Reliability impact: Low |
$1500 |
| Stage 3 | 250 hp | 300 Nm |
- Required: Performance camshafts, Upgraded injectors, ECU remap Reliability impact: Medium |
$4000 |
Popular modifications
- Cold air intake
- Performance exhaust
- ECU tuning
Tuning limitations
- Limited by naturally aspirated design
- Cooling system upgrades needed for high performance
Детальні технічні характеристики
8
модифікацій
184–192
к.с.
Спільні характеристики
| Back suspension | Independent, spring |
| Boost type | none |
| Capacity | 2494 cm3 |
| Compression ratio | 10.5 |
| Country | Germany |
| Cylinder bore | 84.0 mm |
| Cylinder layout | inline |
| Engine model | M54B25 |
| Engine placement | Front, longitudinal |
| Engine type | Gasoline |
| Front brakes | ventilated disc |
| Front suspension | Independent, spring |
| Fuel | 95 |
| Injection type | distributed injection (multipoint) |
| Number of cylinders | 6 |
| Pitch Circle Diameter | DIA72.6 5x120 mm |
| Rear brakes | Disc |
| Steering wheel position | Left |
| Stroke cycle | 75.0 mm |
| Timing belt | DOHC |
| Valves per cylinder | 4 |
Модифікації двигуна
2.5 AT (192 hp)
Привід Rear wheel drive
КПП Automatic
Z4 E85/E86 [рест.]
2006–2009
192 hp
engine
Engine code
M54B25
Fuel tank capacity
55 l
Maximum torque
245 N*m
Min trunk capacity
260 l
Turnover of maximum torque
3500 RPM
performance
Acceleration (0-100 km/h)
7.5 s
Max speed
227 km/h
fuel
City driving fuel consumption per 100 km
11.25 l
Emission standards
Euro 4
Highway driving fuel consumption per 100 km
6.0 l
Mixed driving fuel consumption per 100 km
7.7 l
transmission
Drive wheels
Rear wheel drive
Gearbox type
Automatic
Number of gear
5
dimensions
Back track width
1523 mm
Clearance
110 mm
Front track width
1473 mm
Full weight
1560 kg
Height
1299 mm
Length
4091 mm
Number of doors
2
Wheelbase
2495 mm
Width
1781 mm
suspension
Wheel size
205/55 R16, 225/45 R17
other
Body type
Roadster
Car class
S
Number of seater
2
2.5 MT (192 hp)
Привід Rear wheel drive
КПП Manual
Z4 E85/E86 [рест.]
2006–2009
192 hp
engine
Engine code
M54B25
Fuel tank capacity
55 l
Maximum torque
245 N*m
Min trunk capacity
260 l
Turnover of maximum torque
3500 RPM
performance
Acceleration (0-100 km/h)
7.0 s
Max speed
235 km/h
fuel
City driving fuel consumption per 100 km
10.4 l
Emission standards
Euro 4
Highway driving fuel consumption per 100 km
5.7 l
Mixed driving fuel consumption per 100 km
7.4 l
transmission
Drive wheels
Rear wheel drive
Gearbox type
Manual
Number of gear
6
dimensions
Back track width
1523 mm
Clearance
110 mm
Curb weight
1335 kg
Front track width
1473 mm
Full weight
1560 kg
Height
1299 mm
Length
4091 mm
Number of doors
2
Wheelbase
2495 mm
Width
1781 mm
suspension
Wheel size
205/55 R16, 225/45 R17
other
Body type
Roadster
Car class
S
Number of seater
2
2.5 AT (184 hp)
Привід All wheel drive (AWD)
КПП Automatic
X3 1 (E83)
2003–2006
184 hp
engine
Engine code
M54B25 USA
Engine power
184 hp
Fuel tank capacity
67 l
Max power (kW)
137 kW
Max power at RPM
6000 RPM
Maximum torque
237 N*m
Min trunk capacity
500 l
Turnover of maximum torque
3500 RPM
performance
Acceleration (0-100 km/h)
11.1 s
Max speed
202 km/h
fuel
City driving fuel consumption per 100 km
13.8 l
Highway driving fuel consumption per 100 km
10.2 l
Mixed driving fuel consumption per 100 km
12.4 l
transmission
Drive wheels
All wheel drive (AWD)
Gearbox type
Automatic
Number of gear
5
dimensions
Back track width
1542 mm
Clearance
200 mm
Curb weight
1840 kg
Front track width
1524 mm
Full weight
2265 kg
Height
1674 mm
Length
4569 mm
Number of doors
5
Wheelbase
2795 mm
Width
1853 mm
suspension
Wheel size
215/60 R17, 235/45 R19, 235/50 R18, 235/55 R17
other
Body type
Crossover
Car class
D
Number of seater
5
2.5 AT (192 hp)
Привід All wheel drive (AWD)
КПП Automatic
X3 1 (E83)
2003–2006
192 hp
engine
Engine code
M54B25
Engine power
192 hp
Fuel tank capacity
67 l
Max power (kW)
141 kW
Max power at RPM
6000 RPM
Maximum torque
245 N*m
Min trunk capacity
500 l
Turnover of maximum torque
3500 RPM
performance
Acceleration (0-100 km/h)
9.8 s
Max speed
208 km/h
fuel
City driving fuel consumption per 100 km
17.1 l
Highway driving fuel consumption per 100 km
9.0 l
Mixed driving fuel consumption per 100 km
11.9 l
transmission
Drive wheels
All wheel drive (AWD)
Gearbox type
Automatic
Number of gear
5
dimensions
Back track width
1542 mm
Clearance
200 mm
Curb weight
1815 kg
Front track width
1524 mm
Full weight
2270 kg
Height
1674 mm
Length
4569 mm
Number of doors
5
Wheelbase
2795 mm
Width
1853 mm
suspension
Wheel size
215/60 R17, 235/50 R18, 235/55 R17
other
Body type
Crossover
Car class
D
Number of seater
5
2.5 MT (184 hp)
Привід All wheel drive (AWD)
КПП Manual
X3 1 (E83)
2003–2006
184 hp
engine
Engine code
M54B25 USA
Engine power
184 hp
Fuel tank capacity
67 l
Max power (kW)
137 kW
Max power at RPM
6000 RPM
Maximum torque
237 N*m
Min trunk capacity
500 l
Turnover of maximum torque
3500 RPM
performance
Acceleration (0-100 km/h)
10.4 s
Max speed
204 km/h
fuel
City driving fuel consumption per 100 km
13.8 l
Highway driving fuel consumption per 100 km
9.8 l
Mixed driving fuel consumption per 100 km
11.8 l
transmission
Drive wheels
All wheel drive (AWD)
Gearbox type
Manual
Number of gear
6
dimensions
Back track width
1542 mm
Clearance
200 mm
Curb weight
1815 kg
Front track width
1524 mm
Full weight
2265 kg
Height
1674 mm
Length
4569 mm
Number of doors
5
Wheelbase
2795 mm
Width
1853 mm
suspension
Wheel size
235/55 R17
other
Body type
Crossover
Car class
D
Number of seater
5
2.5 MT (192 hp)
Привід All wheel drive (AWD)
КПП Manual
X3 1 (E83)
2003–2006
192 hp
engine
Engine code
M54B25
Engine power
192 hp
Fuel tank capacity
67 l
Max power (kW)
141 kW
Max power at RPM
6000 RPM
Maximum torque
245 N*m
Min trunk capacity
500 l
Turnover of maximum torque
3500 RPM
performance
Acceleration (0-100 km/h)
8.9 s
Max speed
208 km/h
fuel
City driving fuel consumption per 100 km
15.6 l
Highway driving fuel consumption per 100 km
8.7 l
Mixed driving fuel consumption per 100 km
11.2 l
transmission
Drive wheels
All wheel drive (AWD)
Gearbox type
Manual
Number of gear
6
dimensions
Back track width
1542 mm
Clearance
200 mm
Curb weight
1815 kg
Front track width
1524 mm
Full weight
2240 kg
Height
1674 mm
Length
4569 mm
Number of doors
5
Wheelbase
2795 mm
Width
1853 mm
suspension
Wheel size
215/60 R17, 235/50 R18, 235/55 R17
other
Body type
Crossover
Car class
D
Number of seater
5
2.5 (192 hp) Automatic transmission
Привід Rear wheel drive
КПП Automatic
Z4 1 (E85/E86)
2002–2005
192 hp
engine
Engine code
M54B25
Engine power
192 hp
Fuel tank capacity
55 l
Max power (kW)
141 kW
Max power at RPM
6000 RPM
Maximum torque
245 N*m
Min trunk capacity
260 l
Turnover of maximum torque
3500 RPM
performance
Acceleration (0-100 km/h)
7.5 s
Max speed
227 km/h
fuel
City driving fuel consumption per 100 km
11.25 l
Emission standards
Euro 4
Highway driving fuel consumption per 100 km
6.0 l
Mixed driving fuel consumption per 100 km
7.7 l
transmission
Drive wheels
Rear wheel drive
Gearbox type
Automatic
Number of gear
5
dimensions
Back track width
1523 mm
Clearance
110 mm
Front track width
1473 mm
Full weight
1560 kg
Height
1299 mm
Length
4091 mm
Number of doors
2
Wheelbase
2495 mm
Width
1781 mm
suspension
Wheel size
205/55 R16, 225/45 R17
other
Body type
Roadster
Car class
S
Number of seater
2
2.5 (192 hp) MT
Привід Rear wheel drive
КПП Manual
Z4 1 (E85/E86)
2002–2005
192 hp
engine
Engine code
M54B25
Engine power
192 hp
Fuel tank capacity
55 l
Max power (kW)
141 kW
Max power at RPM
6000 RPM
Maximum torque
245 N*m
Min trunk capacity
260 l
Turnover of maximum torque
3500 RPM
performance
Acceleration (0-100 km/h)
7.0 s
Max speed
235 km/h
fuel
City driving fuel consumption per 100 km
13.5 l
Highway driving fuel consumption per 100 km
7.3 l
Mixed driving fuel consumption per 100 km
9.5 l
transmission
Drive wheels
Rear wheel drive
Gearbox type
Manual
Number of gear
5
dimensions
Back track width
1523 mm
Clearance
110 mm
Curb weight
1265 kg
Front track width
1473 mm
Full weight
1560 kg
Height
1299 mm
Length
4091 mm
Number of doors
2
Wheelbase
2495 mm
Width
1781 mm
suspension
Wheel size
205/55 R16, 225/45 R17
other
Body type
Roadster
Car class
S
Number of seater
2
Cars with the M54B25 engine
This engine was fitted to 4 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
BMW | 3 Series | 3 series (E46) | 1998 - 2004 |
|
BMW | 5 Series | 5 series (E39) | 1996 - 2003 |
|
BMW | X3 | X3 (E83) | 2004 - 2007 |
|
BMW | Z4 | Z4 (E85) | 2002 - 2008 |
All modifications (8)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| BMW 3 Series | 3 series (E46) | BMW 325i 2.5 192 л.с. 6-МКП 2WD | 192 hp | 6-МКП | 2WD |
| BMW 3 Series | 3 series (E46) | BMW 325i 2.5 192 л.с. 5-Автомат 2WD | 192 hp | 5-Автомат | 2WD |
| BMW 5 Series | 5 series (E39) | BMW 523i 2.5 170 л.с. 6-МКП 2WD | 170 hp | 6-МКП | 2WD |
| BMW 5 Series | 5 series (E39) | BMW 523i 2.5 170 л.с. 5-Автомат 2WD | 170 hp | 5-Автомат | 2WD |
| BMW X3 | X3 (E83) | 2.5i 192 л.с. 6-МКП 2WD | 192 hp | 6-МКП | 2WD |
| BMW X3 | X3 (E83) | 2.5i 192 л.с. 6-Автомат 2WD | 192 hp | 6-Автомат | 2WD |
| BMW Z4 | Z4 (E85) | Z4 2.5i 192 л.с. 6-МКП 2WD | 192 hp | 6-МКП | 2WD |
| BMW Z4 | Z4 (E85) | Z4 2.5i 192 л.с. 6-Автомат 2WD | 192 hp | 6-Автомат | 2WD |
Interesting Facts
- The M54 engine was used in the Z4 roadster
- It was one of the last naturally aspirated inline-6 engines from BMW
Applications
Total produced: null
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| BMW 3 Series | E46 | 2000-2006 | 192hp | Europe, USA, Asia |
| BMW 5 Series | E39 | 2000-2003 | 192hp | Europe, USA |
Compatible transmissions: 5-speed Manual, 5-speed Automatic
Drive types: RWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 91 | Recommended: 95 |
| Consumption (City) | 12 L/100km |
| Consumption (Highway) | 7.5 L/100km |
| Consumption (Combined) | 9.5 L/100km |
| Real Consumption | 10.5 L/100km |
| Fuel Tank Capacity | 63 L |
| Range | 663 km |
| Cost per 100 km | 15-20 USD |
Emissions Standards
| Emission Standard | Euro 3 |
| CO₂ Emissions | 229 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Awards and Recognition
- Ward's 10 Best Engines (2003) — Best Engine
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| 2JZ-GE | Toyota | 2,997 cc | 220 hp | 298 Nm |
| VQ25DE | Nissan | 2,495 cc | 187 hp | 235 Nm |
Pros
- Smooth and linear power delivery
- High reliability and longevity
- Classic BMW inline-6 sound
Cons
- Higher fuel consumption compared to modern engines
- Cooling system requires regular maintenance
- Limited tuning potential compared to turbocharged engines