Does anyone know if the drain plug uses an O-ring or a washer? I don't wanna risk replacing the fluid and having it seep around a crush washer. I would assume I could reuse an O-ring without problems.
1995 M3 Coupe - HPDE/Track Prepped - For Sale
1997 M3 Coupe - BMWCCA I-Prepared Race Car
2011 335d - Das Uber Commuter (35.1MPG Avg)