Did you buy the shim kit to do your valve adjustment? Looks like she is being cared for nicely! We just did an Alpha-N and carbon airbox on an '87 s14, what a difference - keeping yours OEM/stock-ish?
Wide Open Throttle Technologies (WOT-Tech)
The 1986 325es Delphin project LINK
Project 1988 325i sedan "Pinky" LINK