VW Audi 2.0 TDI EGR Cooler 03G131512AD. OEM-grade EGR cooler for VW and Audi 2.0L TDI engines (BKD/BMM). Replaces 03G131512AD, 03G131512AJ, 03G131512N. Stainless steel construction, pressure tested... Request a Quote for Europe — send your OE number, quantity and destination country for a trade price.