Quote:
Originally Posted by YvesD
The higher the performance/tech spec of the engine the greater the benefit. Turbo engines and tuned ones in particular love V Power.
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Nail on head.
That is why in some ways I wonder whether my engine seriously needs the 98 RON when you look at the state of tune of a stock M3 which has rather impressive bhp/litre. My engine in comparison is not in a high state of tune, but 98 RON is what it gets.