Description Reviews MINI Oil Pressure Pigtail. This is a new OEM MINI part that will fix your your broken oil pressure plug. This part will fit all Generation 2 MINI Cooper or Cooper S cars with N12 or N14 motors, and comes with everything needed to complete the job. Kit Includes: (1) MINI Socket Plug #12-52-542-850 (1) MINI Terminal Pin Contact G2 #12-52-7-555-721 (1) MINI Blind Plug f#12-52-7-543-302 (1) Waterproof Solder & Seal Heat Shrink Butt Terminal Connectors (1) Micro Crimped wires