I just found a little piece of paper on the storage tray below the a/c controls on my 1990 325i. It has 03 8320 44 on the top. Below that it has 61.31-1 380 338. In the parts book I have it says this is a "switch, heated r. Does anyone know what this? Thanks, Justin '90 325i BMW CCA 153842 BMW Vintage Car Club ------------------------------