Clutch Fork Pivot Pin
When upgrading to a stiffer clutch that can handle more horsepower and torque, the stock pivot pin for the clutch fork can often get smashed over time, leading to annoying and expensive clutch fork issues.
Do your clutch install right the first time around and replace the stock plastic pin with this milled stainless steel unit. It eliminates the possibility of failure, and actually improves the feel of the clutch.
The piece is easily pried out of the transmission when doing a clutch job, and works on all BMW's since 1992. It is #6 in the diagram