Quote:
Originally Posted by Matt2008
Quick question... Only used BP Ultimate diesel in my car but if i wanted to try out tescos 99 octane, is it best to get my tank almost empty before trying? I usually never let my tank drop below half.
Likewise with my non BMW petrol engine which i use BP Ultimate.
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Tescos 99 octane is PETROL not diesel, how would you use it to replace BP ultimate diesel???