There is a drilling in the side of the plug in which you can put a size 3 Allen key or a Torx key T10 (usually found in the your BMW toolkit) in order to fit and remove it.
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Also referred to as oil filler cap.
It is nicely machined of aluminum and natural anodized. The...
Our crash bars are made of high-quality steel (black) or...
Oil filler plug Torx, made of high-quality aluminium....