Next is to address the interior.
Door panels are nice, but dirty.
Same with rear seat...
Broken glove box. That note pad in there has all the dates and mileage of everything that's been done to the car from 40k miles, right up to it's current 360k...
Front seats, meh.
Wide Open Throttle Technologies (WOT-Tech)
The 1986 325es Delphin project LINK
Project 1988 325i sedan "Pinky" LINK