The 1.6-liter gasoline engine Mini W10B16A was produced by the company from 2001 to 2008 and was installed on the first generation of Mini R50 cars, including the R52 convertible. A similar power unit was installed on some Chrysler models under its EJD index.
Tritec-series family: W10B14A, W10B16A, W11B16A.
Specifications
| Production years | 2001-2008 |
| Displacement, cc | 1598 |
| Fuel system | distributed injection |
| Power output, hp | 90 (One) 116 (Cooper) |
| Torque output, Nm | 140 (One) 150 (Cooper) |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 77 |
| Piston stroke, mm | 85.8 |
| 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 Cooper 2004) — city — highway — combined |
9.8 5.4 7.0 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 125 |
The engine was installed on:
- Mini Cabrio R52 in 2004 – 2008;
- Mini Hatch R50 in 2001 – 2006.
Disadvantages of the Mini W10B16A engine
- In the early years of production, power units often suffered from poor assembly;
- Cylinder head cracks are also often found here, as well as the destruction of rocker rollers;
- Many problems are caused by frequent failures in the operation of the electronic throttle assembly;
- Closer to 150 – 200 thousand kilometers, the timing chain usually stretches and requires replacement;
- The weak points of the engine include the fuel pump, hydraulic booster and expansion tank.
Frequently asked questions about the Mini W10B16A
How much power does the Mini W10B16A make?
Power output of the Mini W10B16A, hp: 90 (One); 116 (Cooper). Torque, Nm: 140 (One); 150 (Cooper).
How much oil does the Mini W10B16A take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Mini W10B16A have a timing belt or chain?
The Mini W10B16A uses a timing chain.
Is the Mini W10B16A turbocharged?
No, the Mini W10B16A is naturally aspirated.
Does the Mini W10B16A need valve clearance adjustment?
No, the Mini W10B16A has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mini W10B16A last?
The typical lifespan of the Mini W10B16A is ~300 000 km with proper maintenance.
What is the fuel consumption of the Mini W10B16A?
Mini Cooper 2004: city 9.8, highway 5.4, combined 7.0 L/100 km.
What cars was the Mini W10B16A installed on?
Mini Cabrio R52 in 2004 - 2008; Mini Hatch R50 in 2001 - 2006.
What are the common problems of the Mini W10B16A?
In the early years of production, power units often suffered from poor assembly. Cylinder head cracks are also often found here, as well as the destruction of rocker rollers. All known problems.
