N20B20B BMW N20B20B
Модульний 4-циліндровий двигун з TwinPower Turbo, відомий своєю ефективністю та потужністю, але вимагає регулярного обслуговування для забезпечення надійності.
86
Brand engines
2
Modifications
Technical Specifications
| Engine Displacement | 2.0 L (1,997 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 184 - 245 л.с. |
| Torque | 270 - 350 Н*м |
| Cylinder Bore | 84.00 mm |
| Piston Stroke | 90.00 mm |
| Compression Ratio | 10.0:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Direct Injection with Valvetronic |
| Aspiration | Turbocharged |
| Turbocharger | Single twin-scroll turbocharger |
| Intercooler | Yes |
| Maximum RPM | 6,500 rpm |
| Max Torque RPM | 1,250 rpm |
| Valve Train | DOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 250000 or as needed |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 152 kg |
| Dimensions (L×W×H) | 550 × 500 × 650 mm |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | BMW N engine series |
| Manufacturing Plant | Munich, Germany |
| Predecessor | N46B20 |
| Successor | B48B20 |
Maintenance
| Engine Oil Capacity | 5 L (with filter: 5.25 L) |
| Recommended Viscosity | 5W-30, 5W-40 |
| Oil Standard | BMW Longlife-04 |
| Recommended Brands | Castrol Edge Professional, Mobil 1 ESP, Shell Helix Ultra |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | 11428570590 |
| Air Filter |
13717811026
Replace every 60 000 km |
| Fuel filter | 16117373673 |
| Cabin Filter | 64319313519 |
| Spark Plugs |
Type: Iridium Part number: 12120037607Gap: 0.9 mm Quantity: 4 pcs Replace every 60 000 km |
| Coolant Capacity | 7.5 L |
| Coolant Type | G12++ (BMW Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 800-1200 USD |
Reliability
Expected lifespan: 300 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Timing chain tensioner failure | High | 100000-150000 km | $1500-3000 |
| Vacuum pump failure | Medium | 80000-120000 km | $500-800 |
Known defects
- Early models had timing chain guide issues (recalled)
- VANOS solenoid failures
Warranty extensions
- BMW extended warranty for timing chain issues up to 10 years/120000 miles
Tuning potential
Tuning potential: High | Max. safe power: 400 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 220 hp | 380 Nm |
ECU remap only Reliability impact: Minimal |
$500 |
| Stage 2 | 280 hp | 450 Nm |
ECU, Downpipe, Intake Required: Upgraded intercooler, Downpipe, ECU remap Reliability impact: Low |
$2500 |
| Stage 3 | 350 hp | 550 Nm |
Hybrid Turbo, Injectors Required: Upgraded turbo, Forged internals, Upgraded fuel system, Upgraded HPFP Reliability impact: Medium-High |
$10000 |
Popular modifications
- ECU tune (Stage 1)
- Cold air intake
- Downpipe
- Intercooler upgrade
- Charge pipe upgrade
Tuning limitations
- Fuel pump limitations above 350hp
- Stock turbo limits at ~320hp
- Cooling system needs upgrades for track use
Cars with the N20B20B engine
This engine was fitted to 1 model
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
BMW | 3 Series | 3 series (F30, F31) | 2012 - 2019 |
All modifications (2)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| BMW 3 Series | 3 series (F30, F31) | BMW 330i 2.0 252 л.с. 6-МКП 2WD | 252 hp | 6-МКП | 2WD |
| BMW 3 Series | 3 series (F30, F31) | BMW 330i 2.0 252 л.с. 8-Автомат 2WD | 252 hp | 8-Автомат | 2WD |
Interesting Facts
- First BMW turbocharged 4-cylinder engine in decades
- Won International Engine of the Year award 3 years in a row
- Features twin-scroll turbocharger for better throttle response
Applications
Total produced: ~1000000
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| BMW 3 Series | F30 | 2011-2015 | 184hp/245hp | Europe, USA, Asia |
| BMW 5 Series | F10 | 2010-2013 | 184hp/245hp | Europe, USA |
Compatible transmissions: 6-speed Manual, 8-speed Automatic ZF8HP
Drive types: RWD, AWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 91 | Recommended: 95 |
| Consumption (City) | 9.5 L/100km |
| Consumption (Highway) | 5.8 L/100km |
| Consumption (Combined) | 7.2 L/100km |
| Real Consumption | 8.5 L/100km |
| Fuel Tank Capacity | 60 L |
| Range | 833 km |
| Cost per 100 km | 12-15 USD |
Emissions Standards
| Emission Standard | Euro 6 |
| CO₂ Emissions | 169 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Awards and Recognition
- International Engine of the Year (2013) — 1.8L to 2.0L
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| EA888 Gen 3 | Volkswagen Group | 1,984 cc | 220 hp | 350 Nm |
| M274 | Mercedes-Benz | 1,991 cc | 211 hp | 350 Nm |
Pros
- Better throttle response than competitors
- More refined and quieter
- Better performance at high RPM
- Twin-scroll turbo technology
Cons
- Timing chain issues in early models
- Higher maintenance costs
- Less robust than older naturally aspirated engines
- Expensive repairs out of warranty