Tu masz sporo przetestowanych olejow do auta
http://bmwservice.livejournal.com/27699.html
"For better performance use motor oils with friction modifier (Xenum WRX, Bardahl XTC, Motul 300V, Liqui Moly Molygen, etc"
Tu masz temat poswiecony olejom
http://forum.fordclubpolska.org/showthread.php?t=205145