Originally Posted by FStop7
JDM = Japanese Domestic Market
It's not a company, it refers to OEM parts from Japan.
In the case of Volk/RAYS wheels for the M3 it doesn't apply since they're not OEM. But it's kind of become a generic term over time.
Street- 08 E92 M3- Sparkling Graphite/ Fox Red/6sp
Track- 10 CRF 250-PR2 Race Motor/Ohlins TTX Susp
Hauler- 06 Ford Skyjacker F250 4WD