The 1.4-liter gasoline engine Mini W10B14A was assembled by the company from 2001 to 2006 and installed on the first generation of the Mini R50 hatchback in its most basic One modification. The motor was offered only in a number of European countries with tax incentives for small engines.
Tritec-series family: W10B14A, W10B16A, W11B16A.
Specifications
| Production years | 2001-2006 |
| Displacement, cc | 1397 |
| Fuel system | distributed injection |
| Power output, hp | 75 |
| Torque output, Nm | 122 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 77 |
| Piston stroke, mm | 75 |
| Compression ratio | 10.5 |
| Features | SOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Mini One 2003) — city — highway — combined |
8.8 5.0 6.5 |
| Engine lifespan, km | ~280 000 |
| Weight, kg | 120 |
The engine was installed on:
- Mini Hatch R50 in 2001 – 2006.
Disadvantages of the Mini W10B14A engine
- In the early years of production, engines often suffered from poor build quality;
- Also, cracks in the cylinder head are often found here, as well as the destruction of rocker rollers;
- A lot of the problems of this motor are associated with the vagaries of the electronic throttle assembly;
- The timing chain usually stretches for about 150 – 200 thousand km, however, replacement is inexpensive;
- The weak points of the engine include hydraulic booster, fuel pump and expansion tank.
Frequently asked questions about the Mini W10B14A
How much power does the Mini W10B14A make?
The Mini W10B14A develops 75 hp and 122 Nm of torque.
How much oil does the Mini W10B14A take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Mini W10B14A have a timing belt or chain?
The Mini W10B14A uses a timing chain.
Is the Mini W10B14A turbocharged?
No, the Mini W10B14A is naturally aspirated.
Does the Mini W10B14A need valve clearance adjustment?
No, the Mini W10B14A has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mini W10B14A last?
The typical lifespan of the Mini W10B14A is ~280 000 km with proper maintenance.
What is the fuel consumption of the Mini W10B14A?
Mini One 2003: city 8.8, highway 5.0, combined 6.5 L/100 km.
What cars was the Mini W10B14A installed on?
Mini Hatch R50 in 2001 - 2006.
What are the common problems of the Mini W10B14A?
In the early years of production, engines often suffered from poor build quality. Also, cracks in the cylinder head are often found here, as well as the destruction of rocker rollers. All known problems.
