I have always assumed that the 1991 Pre Vanos M50/B25 325i engine in my Sportster would have been built to run on unleaded fuel. Am I correct?
I can't find a definitive answer on the net - what do you think? Should I use an additive anyway?
Colin.
I can't find a definitive answer on the net - what do you think? Should I use an additive anyway?
Colin.
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