need help got a 12 mini cooper s convertible turbo car. above 60% throttle it bucks and jerks like a lean condition. sets misfire codes. car is not misfiring runs great all threw the rpm range as long as I do not go full throttle. have checked tp sensor ranges and they all look good. been on this car on and off for a week. codes don't make sense and none of my software is this year model friendly. just did the hvfp replacement. and that removed the fuel codes. anybody having a similar issue?

 

Did have a similar problem on my 2012 but I i start to put in 91 octane added some injector cleaner and new plugs all has been good since.

 

On an S model, always run the highest octane available. And for drivability issues, I would suggest you post on the "regular" R56S hardtop forums. Same driveline, same issues. Just don't tell them yours is a drop-top. LOL.

 

How many miles on your car?

 

this is the right place for your post - let us know how many miles and what the codes are, chances are someone can help.