BMW: S70B50 BMW S70B50
86
Brand engines
1
Modifications
Technical Specifications
| Engine Displacement | (6,064 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 | 5,600 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 30 000 km |
| Fuel filter | 13321740985 |
| Spark Plugs |
Type: Platinum Part number: 12121719262Gap: 0.8 mm Quantity: 12 pcs Replace every 30 000 km |
| Coolant Capacity | 15 L |
| Coolant Type | G11 (BMW Coolant) |
| Coolant Change Interval | 60 000 km |
| Thermostat Opening Temperature | 85°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 1500-2000 USD |
Reliability
Expected lifespan: 300 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Oil leaks from valve cover gaskets | Medium | 100000-150000 km | $500-1000 |
Known defects
- High maintenance costs due to complexity
- Limited availability of parts
Tuning potential
Tuning potential: Low | Max. safe power: 700 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 650 hp | 680 Nm |
ECU remap Reliability impact: Minimal |
$2000 |
| Stage 2 | 700 hp | 720 Nm |
- Required: Exhaust system upgrade, ECU remap Reliability impact: Low |
$5000 |
Popular modifications
- Exhaust system upgrade
- ECU remap
Tuning limitations
- Limited by naturally aspirated design
- High cost of modifications
Cars with the BMW: S70B50 engine
This engine was fitted to 1 model
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
BMW | iX | iX | 2021 - present |
All modifications (1)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| BMW iX | iX | iX xDrive50 523 л.с. 1-ст. автомат 4x4 | 523 hp | 1-ст. автомат | 4x4 |
Interesting Facts
- The S70B50 engine was specifically developed for the McLaren F1.
- It was the most powerful naturally aspirated engine in a production car at the time.
Applications
Total produced: 106
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| BMW McLaren F1 | Base | 1993-1998 | 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) — Over 4.0L
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| L539 | Lamborghini | 6,498 cc | 700 hp | 690 Nm |
Pros
- High power output for a naturally aspirated engine
- Exceptional engineering and build quality
Cons
- High maintenance costs
- Limited production and parts availability