For use on: Volkswagen Touareg & Transporter 2.5 TDI PD models with engine code: BAC, BLK, BPD, AXD, AXE, BLJ, BNZ, BPC (03-) plus 4.9/TDI PD models with engine code: AYH (03-) These engines are gear driven but the injection timint is controlled via the camshaft followers. Download Instructions