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  1. R56 N12 oil separator cover

    MINI Engine & Drivetrain Tuning
    Hello guys, I have some small problems with my mini cooper r56 n12 (non turbo) engine, RPM falls when puting neutral, after it gets hot it occasional go flat and I have to start it again. It all started after changing oil and air filter. Last weekend I checked with obd that it shows air sensor...
  2. N12 idles rough when cold, will not idle when hot. This one is different!

    Second Generation Faults & Fixes
    Hi everyone, I've got a story for you. I bought a cheap 2009 70k mile/113k km automatic Justa that had previously been overheated and developed a persistent misfire in #2 but still had good compression. Head was pulled and found to have a dropped valve seat along with a displaced rocker (popped...
  3. Weird starter issues with 09 mini clubman

    MINI Engine & Drivetrain Tuning
    I wanted to share some information about my recent experience with a 2009 Mini Cooper clubman 1.6l non turbo N12 auto trans. I had a no start no crank situation. I called a tow truck and by the time it arrived I decided to try to start it again. It started right up! A few days go by and another...