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      06-12-2012, 03:49 AM   #6
creepy coupe
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Drives: Mazda 6. Help
Join Date: Aug 2007
Location: UK

iTrader: (2)

Garage List
2015 BMW 435d  [0.00]
2009 335i  [0.00]
I have filled mine up with 95 once, when I could get 98 and it idled rougher and spits and farts about a very low RPM. It doesn't make a lot of difference once up and running. I image the knock sensors just retard the timing back a little to compensate.

As per Jimpom really, if you need to save 4 per fill. You need to change your car for something else.

Last edited by creepy coupe; 06-12-2012 at 04:10 AM.