Thread: Which fuel?
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      10-11-2012, 08:27 AM   #38
dopper99
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Drives: F30 335d M Sport
Join Date: Jun 2011
Location: UK

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Diesel cars dont rev as much as petrol so you dont use "top end of the rev range". As a result I find that in my car, the mid range performance is improved with premium fuels ie lower down the rev range for a diesel. Therefore you do notice it every day as you only need to squeeze the throttle and feel the response straight away.

In a petrol, then yes I would imagine you would need to rag it to feel the benefit from putting in premium stuff.