$2.50 Inc GST
Part Number: 12A1358
No reason for an oil leak here. For the price, they should be replaced every time the rocker cover is off.
Sold individually.
Recommend: 2 x 12A1358 per Mini.
Related parts:
For chrome fitting nut, see GM038P.
For rocker cover T-bar fitting nuts, see SAC71.
For chrome washer, see GM040K.
For chrome spacer, see GM039K.