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 engines: 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 |
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.
