emscauto3
The N14 engine is one of the most common MINI turbo engines to end up needing a serious refresh. Found in R55, R56, R57, R58, and R59 Cooper S and JCW models, the N14 is well known for carbon buildup, timing chain wear, oil consumption, piston issues, ring wear, and general high-mileage fatigue. When the damage goes beyond bolt-on fixes, the right N14 engine rebuild kit becomes the foundation of getting the car back together correctly.