For your E31 (1st-generation BMW 8-series), in other words, your … 1989-1999 8-series BMW (whether an 840Ci, 850i, 850Ci or 850CSi) … you can buy used OEM (OEM = Original Equipment [of the] Manufacturer) parts from us. With few exceptions, our used parts are guaranteed. Instead of downloading someone else’s part number database, we built…