2007 Mini Cooper S - John Cooper Works Tuning Kit

September 4, 2007
0707 Z+2007 Mini Cooper S John Cooper Works Tuning Kit Jcw+front View
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:
TestCooper SJCW Kit
0-60 mph6.5 sec6.5 sec
50-75 mph, 4th gear6.4 sec5.3 sec
50-75 mph, 5th gear6.7 sec6.3 sec
50-75 mph, 6th gear8.9 sec7.6 sec


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2007 MINI Cooper

Base FWD 2-Dr Hatchback I4
starting at (MSRP)
1.6L I4
Fuel Economy
NA City NA Hwy
2007 MINI Cooper