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2007 Mini Cooper S – John Cooper Works Tuning Kit

The John Cooper Work tuning kit (JCW) wasn’t a simple upgrade on the last-generation Mini Cooper S: it was labor-intensive to install and included expensive items like a new supercharger and cylinder head.

The JCW kit for the new, turbocharged Cooper S is much simpler. For $2100 plus installation costs – around $200 at your local Mini dealer – horsepower takes a modest jump from 172 hp to 189. Maximum torque is also bumped slightly – from 177 lb-ft to 200 lb-ft. These increases are the result of a redesigned air box and high flow air filter, a low-restriction exhaust system, and a reprogrammed ECU.

We’re excited to try a Mini fitted with the JCW kit and plan to add it to our Four Seasons Mini Cooper S in the coming months. But most of us around here feel that $2000 is a lot to pay for 17 hp.

Some performance numbers from Mini:

  • Test
  • Cooper S
  • JCW Kit
  • 0-60 mph
  • 6.5 sec
  • 6.5 sec
  • 50-75 mph, 4th gear
  • 6.4 sec
  • 5.3 sec
  • 50-75 mph, 5th gear
  • 6.7 sec
  • 6.3 sec
  • 50-75 mph, 6th gear
  • 8.9 sec
  • 7.6 sec

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