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  1. Second Generation MINI Tuning
    Hello, I've had a P00420 code thrown up by the car - an R56 Mini One 2007 (2/2) - and so I took it to the garage for an MOT to see exactly whats wrong. I was told I need a new cat and two new sensors. The car failed on emissions and the sheet is attached. With this info can anyone tell me...
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