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Originally Posted by cobraite I remember Evo doing a similar test a year ago with an M5 E60 and not seeing any notable difference (ie less than 3%) between 95 petrol, 98, 99 and 100 ron race fuel.
Andrew |
The M5 is designed to run on 95 ron (white spirit) Older engine configurations benefit from higher octanes, especially in higher states of tune/compression ratios
