The 1.8-liter 16-valve Mazda BP engine was produced by the company from 1989 to 2004 and was installed on such models as Familia, Protege, Lantis and MX-5, as well as on Kia under the T8D index. In addition to the conventional and sports unit BP-ZE, there was a version of the BP-VE with a phase shifter.
B-engine family: B1, B3, B3-ME, B5, B5-DE, B5-ME, B6, B6-ME, B6-DE, BP, BP-ME.
Specifications
| Production years | 1989-2004 |
| Displacement, cc | 1839 |
| Fuel system | injector |
| Power output, hp | 130 – 140 |
| Torque output, Nm | 150 – 160 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 85 |
| Compression ratio | 9.0 |
| Features | DOHC, VICS |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.2 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Mazda Protege 1996) — city — highway — combined |
10.4 6.9 8.5 |
| Engine lifespan, km | ~330 000 |
| Weight, kg | 143.2 |
The engine was installed on:
- Mazda 323 BG in 1989 – 1994, 323 BH in 1994 – 1998;
- Mazda Eunos 100 BG in 1989 – 1994;
- Mazda Lantis CB in 1994 – 1998;
- Mazda Familia BG in 1989 – 1994, Familia BH in 1994 – 1998;
- Mazda MX-5 NA in 1994 – 1997, MX-5 NB in 1997 – 2001;
- Mazda Protege BG in 1989 – 1994, Protege BH in 1994 – 1998;
- (as T8D) Kia Carens 1 (FC) in 1999 – 2002, Carens 2 (FJ) in 2002 – 2006;
- (as T8D) Kia Clarus 1 (FE) in 1995 – 2001;
- (as T8D) Kia Spectra 1 (SD) in 2001 – 2004;
- (as T8D) Kia Sephia 1 (FA) in 1996 – 1999, Sephia 2 (FB) in 1997 – 2003;
- (as T8D) Kia Shuma 1 (FB) in 1997 – 2001, Shuma 2 (SD) in 2001 – 2004;
- Suzuki Baleno 1 (EG) in 1996 – 1998.
Disadvantages of the Mazda BP 1.8l engine
- This power unit is famous for its reliability, but often consumes oil;
- Lubrication consumption here usually appears even before 100,000 km and only grows with mileage;
- The cause of floating engine speeds is most often throttle contamination;
- The timing belt runs 100,000 km according to the regulations, but when it breaks, the valves never bend;
- Hydraulic compensators do not tolerate low-quality oil and very often fail.
Frequently asked questions about the Mazda BP 1.8l
How much power does the Mazda BP 1.8l make?
The Mazda BP 1.8l develops 130 - 140 hp and 150 - 160 Nm of torque.
How much oil does the Mazda BP 1.8l take and which one?
Engine oil capacity: 3.2 liters. Recommended oil: 5W-30.
Does the Mazda BP 1.8l have a timing belt or chain?
The Mazda BP 1.8l uses a timing belt.
Is the Mazda BP 1.8l turbocharged?
No, the Mazda BP 1.8l is naturally aspirated.
Does the Mazda BP 1.8l need valve clearance adjustment?
No, the Mazda BP 1.8l has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mazda BP 1.8l last?
The typical lifespan of the Mazda BP 1.8l is ~330 000 km with proper maintenance.
What is the fuel consumption of the Mazda BP 1.8l?
Mazda Protege 1996: city 10.4, highway 6.9, combined 8.5 L/100 km.
What cars was the Mazda BP 1.8l installed on?
Mazda 323 BG in 1989 - 1994, 323 BH in 1994 - 1998; Mazda Eunos 100 BG in 1989 - 1994; Mazda Lantis CB in 1994 - 1998; Mazda Familia BG in 1989 - 1994, Familia BH in 1994 - 1998; Mazda MX-5 NA in 1994 - 1997, MX-5 NB in 1997 - 2001; Mazda Protege BG in 1989 - 1994, Protege BH in 1994 - 1998 and 6 more (see the full list above).
What are the common problems of the Mazda BP 1.8l?
This power unit is famous for its reliability, but often consumes oil. Lubrication consumption here usually appears even before 100,000 km and only grows with mileage. All known problems.
