Hi there Had my 458 a week now and maybe I am just getting used to its quirks or it could do with fresh plugs. Car feels a little jerky in the 1000-3000rpm range, at very light or partial throttle, now I understand this is somewhat down to the jerky throttle these cars have. But tonight, yes its cold (2c) and wet here but I got in the car, started it and drove it immediately, did not allow it to idle and the car hesitated a little and in 2nd gear the car for 1-2s literally had zero response from throttle, just like it was doing nothing, then it accelerated fine, then it idled a little rough for 1-2s and it was then absolutely fine, no issues. Now normally I let the car idle for a few seconds before driving off from cold, so maybe it was just that and its a quirk or maybe the car could benefit from a set of fresh plugs, its a 2014 car on 15,000 miles and I know it has done some track driving so it would have being up at high RPM a lot due to track work which may have accelerated plug life. Or what I am witnessing is just a quirk of the car and I should always give it a few seconds to idle before driving off as this is first time I've started it and literally started driving from cold, all other times I've give it 10-20s to idle from cold before driving, though the somewhat jerky throttle nature has always being there but I think thats just car as once warmed up and not in traffic its silky smooth and pulls crazy hard. Still I feel it is good maintenance to change the plugs, yes I know the manual states 60,000 miles, but car is 5yr old and I feel it certainly cannot do any harm. So when it comes to plugs there seems to be two compatible parts: https://www.scuderiacarparts.com/part/263738/ferrari/297423/ignition-spark-plug.html or https://www.scuderiacarparts.com/part/23905/ferrari/254771/spark-plug.html Both seem to be NGK plus, 254771 seems to be the original and 297423 supercedes that part, has anyone used the latter in 458? Onto the plug change, is it possible as a DIY? What kind of tools are required and is it all easy access from above? I've done plug changes before on other cars but of course this is a bit more special and maybe not as easily accessible.