S70B56 BMW S70B56
Високопродуктивний V12 двигун, що використовувався в спортивних автомобілях BMW, відомий своєю потужністю та плавністю роботи.
86
Brand engines
2
Modifications
Technical Specifications
| Engine Displacement | 5.6 L (5,576 cc) |
| Configuration | V12 |
| Number of Cylinders | 12 |
| Valves per Cylinder | 4 |
| Power | 627 л.с. |
| Torque | 650 Н*м |
| Cylinder Bore | 86.00 mm |
| Piston Stroke | 80.00 mm |
| Compression Ratio | 10.0:1 |
| Firing Order | 1-7-5-11-3-9-6-12-2-8-4-10 |
| Fuel System | Multi-point fuel injection |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 7,500 rpm |
| Max Torque RPM | 4,000 rpm |
| Valve Train | DOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 250000 or as needed |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 266 kg |
| Dimensions (L×W×H) | null mm |
| Lubrication System | Dry sump |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | BMW S engine series |
| Manufacturing Plant | Munich, Germany |
Maintenance
| Engine Oil Capacity | 10 L (with filter: 10.5 L) |
| Recommended Viscosity | 10W-60 |
| Oil Standard | BMW M TwinPower Turbo |
| Recommended Brands | Castrol Edge, Mobil 1, Shell Helix |
| Oil Change Interval | 10 000 km or 12 mo |
| Oil Filter | 11427833769 |
| Air Filter |
13721730946
Replace every 40 000 km |
| Fuel filter | 13321740985 |
| Spark Plugs |
Type: Platinum Part number: 12129071003Gap: 0.8 mm Quantity: 12 pcs Replace every 30 000 km |
| Coolant Capacity | 15 L |
| Coolant Type | G48 (BMW Coolant) |
| Coolant Change Interval | 100 000 km |
| Thermostat Opening Temperature | 85°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 120°C |
| Annual Maintenance Cost | 1500-2000 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Oil leaks from valve cover gaskets | Medium | 50000-100000 km | $500-1000 |
| Cooling system failures | High | 80000-120000 km | $1000-2000 |
Known defects
- Potential for high oil consumption
- Weakness in the cooling system
Tuning potential
Tuning potential: Medium | Max. safe power: 800 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 650 hp | 680 Nm |
ECU remap Reliability impact: Minimal |
$1500 |
| Stage 2 | 700 hp | 720 Nm |
ECU, Exhaust System Required: Exhaust system upgrade, Air intake system Reliability impact: Low |
$5000 |
| Stage 3 | 750 hp | 750 Nm |
- Required: High-performance camshafts, Upgraded fuel injectors Reliability impact: Medium |
$10000 |
Popular modifications
- High-flow air filters
- Performance exhaust systems
Tuning limitations
- Cooling system limitations
- Transmission may require upgrades
Детальні технічні характеристики
2
модифікацій
385–385
к.с.
Спільні характеристики
| Back suspension | Independent, spring |
| Body type | Roadster |
| Boost type | none |
| Capacity | 5576 cm3 |
| Car class | S |
| Compression ratio | 9.8 |
| Country | Germany |
| Cylinder bore | 86 mm |
| Cylinder layout | V-type |
| Engine code | S70B56 |
| Engine model | S70B56 |
| Engine placement | central |
| Engine type | Gasoline |
| Front brakes | Disc |
| Front suspension | Independent, spring |
| Fuel | 95 |
| Height | 1105 mm |
| Injection type | distributed injection (multipoint) |
| Length | 4395 mm |
| Number of cylinders | 12 |
| Number of doors | 2 |
| Number of gear | 6 |
| Number of seater | 2 |
| Rear brakes | Disc |
| Steering wheel position | Left |
| Stroke cycle | 80 mm |
| Timing belt | OHC |
| Valves per cylinder | 2 |
| Wheelbase | 2600 mm |
| Width | 2085 mm |
Модифікації двигуна
5.6 MT (385 hp)
Привід Rear wheel drive
КПП Manual
Nazca 2 (C2)
1992–1993
385 hp
engine
Maximum torque
550 N*m
Turnover of maximum torque
4000 RPM
transmission
Drive wheels
Rear wheel drive
Gearbox type
Manual
5.6 MT RWD (385 hp)
Привід Rear wheel drive
КПП Manual
Nazca 2 (C2)
1992–1993
385 hp
engine
Engine power
385 hp
Max power (kW)
283 kW
Max power at RPM
5300 RPM
Maximum torque
550 N*m
Turnover of maximum torque
4000 RPM
transmission
Drive wheels
Rear wheel drive
Gearbox type
Manual
Cars with the S70B56 engine
This engine was fitted to 2 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
BMW | 8 Series | 8 series (E31) | 1990 - 1999 |
|
No photo
|
Alpina | B12 | B12 (E38) | 1994 - 2001 |
All modifications (2)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| BMW 8 Series | 8 series (E31) | BMW 850CSi 5.6 л. 6-МКП 2WD | 380 hp | 6-МКП | 2WD |
| Alpina B12 | B12 (E38) | Alpina B12 6.0 V12 500 л.с. 5-Автомат 2WD | 500 hp | 5-Автомат | 2WD |
Interesting Facts
- The S70B56 was specifically developed for the McLaren F1.
- It was the most powerful naturally aspirated engine when it was released.
Applications
Total produced: 106
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| BMW McLaren F1 | F1 | 1992-1998 | 627hp | Global |
Compatible transmissions: 6-speed Manual
Drive types: RWD
Fuel Economy
| Fuel Type | Petrol 98 |
| Octane Rating | Minimum: 95 | Recommended: 98 |
| Consumption (City) | 24 L/100km |
| Consumption (Highway) | 15 L/100km |
| Consumption (Combined) | 18 L/100km |
| Real Consumption | 20 L/100km |
| Fuel Tank Capacity | 90 L |
| Range | 500 km |
| Cost per 100 km | 30-40 USD |
Emissions Standards
| Emission Standard | Euro 1 |
| CO₂ Emissions | 400 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Awards and Recognition
- Engine of the Year (1995) — Above 4.0L
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| V12 | Ferrari | 5,474 cc | 660 hp | 657 Nm |
Pros
- High power output for a naturally aspirated engine
- Unique V12 configuration
Cons
- High fuel consumption
- Complex maintenance