On my 2022 A4, I installed a piggy-back performance chip. First thing I noticed when it was set to '11' was knocking. It was solved by using Super Unleaded (98).
The issue I have at the moment with the petrol W12 D4 is averaging 250 miles per £100. So moving to Super Unleaded would be around 10% more. Not really too bad in the grand scheme of things I suppose.
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A8L W12 (D4 2015)
Last edited by Horrgakx; 19th November 2024 at 10:35 AM.
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