madmezza Posted August 20, 2005 Report Share Posted August 20, 2005 I stick normal (95 RON) unleaded in the car at the moment. Is there any benefit to spending the extra money on Super (97 RON). Which should I be using (I hope 95 won't cause any engine damage...) I've got an S3 HC, which has got hardened valve seats/liners (can't remember which bit, but it's harder somewhere!). Cheers Rich Quote Link to comment Share on other sites More sharing options...
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