BP-4W Mazda BP-4W

Атмосферний 4-циліндровий двигун, відомий своєю надійністю та простотою обслуговування.

Brand: Mazda Type: Petrol Configuration: Inline-4 Production Years: 1990 - 1998 Production: Hiroshima, Japan
44 Brand engines
8 Modifications

Technical Specifications

Engine Displacement 1.9 L (1,998 cc)
Configuration Inline-4
Number of Cylinders 4
Valves per Cylinder 4
Power 130 - 150 л.с.
Torque 180 - 200 Н*м
Cylinder Bore 84.00 mm
Piston Stroke 88.00 mm
Compression Ratio 9.0:1
Firing Order 1-3-4-2
Fuel System Multi-point Fuel Injection
Aspiration Naturally Aspirated
Turbocharger null
Intercooler No
Maximum RPM 6,500 rpm
Max Torque RPM 4,000 rpm
Valve Train DOHC
Timing Drive Belt
Timing belt replacement interval 100,000 km
Block Material Aluminum
Head Material Aluminum
Engine Weight 130 kg
Dimensions (L×W×H) 600 × 500 × 600 mm
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family Mazda BP engine family
Manufacturing Plant Hiroshima, Japan
Predecessor null
Successor null

Maintenance

Engine Oil Capacity 4.5 L (with filter: 5 L)
Recommended Viscosity 10W-30
Oil Standard API SL
Recommended Brands Mazda Genuine Oil, Castrol, Mobil 1
Oil Change Interval 10 000 km or 12 mo
Oil Filter B6Y1-14-302
Air Filter B6Y1-13-Z40
Replace every 30 000 km
Fuel filter B6Y1-13-Z20
Cabin Filter null
Spark Plugs Type: Iridium
Part number: B6Y1-18-110
Gap: 1 mm
Quantity: 4 pcs
Replace every 60 000 km
Coolant Capacity 7 L
Coolant Type G11 (Mazda 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 500-800 USD

Reliability

Reliability rating: 8/10

Expected lifespan: 250 000 km

Common problems

Problem Severity Mileage Repair cost
Oil seal leaks Medium 150000-200000 km $300-500
Timing belt wear Medium 100000-120000 km $200-400

Known defects

  • Some models had issues with valve cover gaskets
  • Early models had problems with fuel injectors

Warranty extensions

  • Mazda offered extended warranties on engine components for 5 years/100000 km

Tuning potential

Tuning potential: Medium | Max. safe power: 220 hp

Stage Power Torque Method Cost
Stage 1 160 hp 210 Nm ECU remap
Reliability impact: Minimal 		$400
Stage 2 180 hp 230 Nm -
Required: Cold air intake, Performance exhaust
Reliability impact: Low 		$1200
Stage 3 200 hp 250 Nm -
Required: Turbocharger kit, Upgraded fuel system
Reliability impact: Medium 		$3000

Popular modifications

  • ECU tuning
  • Cold air intake
  • Performance exhaust

Tuning limitations

  • Stock internals limit power to ~200hp
  • Cooling system upgrades needed for high power

Cars with the BP-4W engine

This engine was fitted to 2 models

Photo Brand Model Generation Production years
No photo
 Mazda MX-5 MX-5 1998 - 2004
No photo
 Mazda Roadster Roadster (NB) 1998 - 2005

All modifications (8)

Vehicle Generation Modification Power Gearbox Drive
Mazda MX-5 MX-5 1.8 140 л.с. 5-МКП 2WD 140 hp 5-МКП 2WD
Mazda MX-5 MX-5 1.8 140 л.с. 6-МКП 2WD 140 hp 6-МКП 2WD
Mazda MX-5 MX-5 2.0 150 л.с. 5-МКП 2WD 150 hp 5-МКП 2WD
Mazda MX-5 MX-5 2.0 150 л.с. 6-МКП 2WD 150 hp 6-МКП 2WD
Mazda MX-5 MX-5 2.0 160 л.с. 6-МКП 2WD 160 hp 6-МКП 2WD
Mazda MX-5 MX-5 2.0 160 л.с. 6-Автомат 2WD 160 hp 6-Автомат 2WD
Mazda Roadster Roadster (NB) 1.8 16V 140 л.с. 6-МКП 2WD 140 hp 6-МКП 2WD
Mazda Roadster Roadster (NB) 1.8 16V 140 л.с. 5-Автомат 2WD 140 hp 5-Автомат 2WD

Interesting Facts

  • The BP engine family was known for its high-revving nature.
  • It was used in various Mazda models throughout the 1990s.

Applications

Total produced: null

Vehicle Generation Years Power Markets
Mazda Mazda 626 GD 1990-1998 130hp/150hp Europe, Asia, USA
Mazda Mazda MX-6 GD 1992-1998 130hp/150hp Europe, Asia, USA

Compatible transmissions: 5-speed Manual, 4-speed Automatic

Drive types: FWD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 95 | Recommended: 98
Consumption (City) 10.5 L/100km
Consumption (Highway) 6.5 L/100km
Consumption (Combined) 8.5 L/100km
Real Consumption 9 L/100km
Fuel Tank Capacity 55 L
Range 647 km
Cost per 100 km 10-12 USD

Emissions Standards

Emission Standard Euro 2
CO₂ Emissions 180 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Awards and Recognition

  • Best Engine (1995) — Mid-size Cars

Comparison with competitors

Engine Brand Displacement Power Torque
K20A Honda 1,998 cc 145 hp 190 Nm
SR20DE Nissan 1,998 cc 140 hp 180 Nm

Pros

  • Good balance of power and efficiency
  • Reliable and easy to maintain

Cons

  • Less power compared to some competitors
  • Timing belt replacement can be costly