Prevents oil filter spillage while changing the oil filter draining the oil from the filter case Plus 2.5 5 cyl. inline diesel engines fitted to Volkswagen Transporter (Codes AXD, AXE, BNZ, BPC) Application 2005-2008 2.0 Turbo petrol engines (Code BPY) in Volkswagen Jetta, Golf, Passat and Eos Time saver Audi A3 and A4 (Codes BPG, BWT)