The Mini Cooper S N14B16A 1.6-liter turbo engine was produced in England from 2006 to 2010 and was installed on the R56 Hatch, R57 Cabrio and R55 Clubman station wagon. The same power unit was installed on Peugeot and Citroen cars under its EP6DTS index.
Prince-series family: N12B14A, N12B16A, N16B16A, N14B16A, N14B16C, N18B16A, N18B16C.
Specifications
| Production years | 2006-2010 |
| Displacement, cc | 1598 |
| Fuel system | direct injection |
| Power output, hp | 174 |
| Torque output, Nm | 240 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 77 |
| Piston stroke, mm | 85.8 |
| Compression ratio | 10.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | at the exhaust |
| Turbocharging | BorgWarner K03 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.2 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Mini Cooper S 2008) — city — highway — combined |
8.9 5.7 6.9 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 122 |
The engine was installed on:
- Mini Cabrio R57 in 2009 – 2010;
- Mini Clubman R55 in 2007 – 2010;
- Mini Hatch R56 in 2006 – 2010.
Disadvantages of the Mini N14B16A engine
- The most problematic here is the capricious direct fuel injection system;
- In second place is a large consumption of lubrication and increased coking in the intake;
- The timing chain has a modest resource here, often it runs less than 50,000 km;
- The vacuum pump is not very reliable, as well as the Vanos phase regulator;
- Another weak point of the engine is the thermostat, water pump and lambda probes.
Frequently asked questions about the Mini N14B16A
How much power does the Mini N14B16A make?
The Mini N14B16A develops 174 hp and 240 Nm of torque.
How much oil does the Mini N14B16A take and which one?
Engine oil capacity: 4.2 liters. Recommended oil: 5W-30.
Does the Mini N14B16A have a timing belt or chain?
The Mini N14B16A uses a timing chain.
Is the Mini N14B16A turbocharged?
Yes, the Mini N14B16A is turbocharged (BorgWarner K03).
Does the Mini N14B16A need valve clearance adjustment?
No, the Mini N14B16A has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mini N14B16A last?
The typical lifespan of the Mini N14B16A is ~200 000 km with proper maintenance.
What is the fuel consumption of the Mini N14B16A?
Mini Cooper S 2008: city 8.9, highway 5.7, combined 6.9 L/100 km.
What cars was the Mini N14B16A installed on?
Mini Cabrio R57 in 2009 - 2010; Mini Clubman R55 in 2007 - 2010; Mini Hatch R56 in 2006 - 2010.
What are the common problems of the Mini N14B16A?
The most problematic here is the capricious direct fuel injection system. In second place is a large consumption of lubrication and increased coking in the intake. All known problems.
