Hi everyone, my car had a problem today. It started to shake on the motorway whenever I accelerated. I drove to the garage and was told it was down to the spark plug. I was also told that only Original spark plugs are allowed in the car. Is that correct, or can you use others as well? (I30n 2020) For example: https://www.myi30n.de/Zuendspule-Hy...urbzZuCqUQp2bqvFafbtmysoc-j5h94nxCK6U3Fp0uT7j