Precision CNC machined from 6061 aluminium and anodised gloss black, this oil filler cap fits BMW engines with the rounded-style OEM cap (OE 11128655331 underside).
Click-lock mechanism gives audible, tactile engagement - no more guessing if it’s sealed
Solves weeping on ageing factory units while reusing your original seal
Grippy profile and dual 0°/90° orientation suit longitudinal or transverse engine bays
Direct fit for fast road, track day or daily driver use - no modification needed
