Thread: Which fuel?
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      10-11-2012, 11:56 AM   #40
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Drives: 2016 LCIM3, 2016 535D M Sport
Join Date: Jan 2008
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Originally Posted by dopper99 View Post
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.
My improvement will be one of these when it's run in.

STD fuel and loads more power.
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2015 M6 GC , LCI M3 coming 535D M Sport in Moonstone and Cashmere Beige Merino.