Fuel quality is more important than octane rating, unless your car specifically requires higher octane fuel or you have chipped or otherwise modified. I always use Chevron usually 89, but recently 87 as prices are relatively high. I have a 91 535i.
Fuel quality is more important than octane rating, unless your car specifically requires higher octane fuel or you have chipped or otherwise modified. I always use Chevron usually 89, but recently 87 as prices are relatively high. I have a 91 535i.
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