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By pcmanrules | AA Member | 2 Posts | 9 April 2013 at 9:23am

Occasionally I'm out of range of BP Ultimate 98 and need petrol, is there any harm in filling up half a tank of 98 with the Premium 95?

By Donavan | AA Expert | 1049 Posts | 9 April 2013 at 10:03am

Mixing the 95 and 98 octane fuels will not cause any problems.