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cylinder misfire
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  1. MINI Engine & Drivetrain Tuning
    Hey everyone! New here and first post but would love some help. I recently got two 09 r56 turbo S 6sd’s 80k-90k miles. both with low compression on cylinder #4 (burnt exhaust valves) One was running at the time the other was not. Removed the heads and replaced everything needed with all oem...
  2. Second Generation Faults & Fixes
    Hello, I bought a 2012 hatchback base for a very good price because cylinder 1 and 4 were misfiring. I replaced the ignition coils and all spark plugs which fixed the misfiring. But now I'm getting an intermittent misfire on cylinder 1. I'll have a rough idle for a min or 2 and then it will idle...
  3. MINI Faults & Fixes
    My 2012 mini cooper s began shaking the other day while I was driving and didn't have full power. I checked to see what it was and I got the P0301(cylinder 1 misfire) code. So I did some research and read that it could be bad coils or bad spark plugs. So I switched the coils from the first and...
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