Hi Scotty

My name is sandile,I have a mini cooper s 2010 model,when am on the first it sounds like it's going cut same as when it's on idling but when I increase the gears and speed it doesn't do it.please help me.

Thanks

I really don't understand your question . Please describe exactly what problem you are having, like you car idles, but won't accelerate fast.

I mean,like it is misfiring