So I bought a B5 TDi Passat with a bad auto tranny for cheap. Contacted Frans from DutchAutoParts and bought a manual swap kit from him. He sent over a GFL trans. I asked him what the OEM part number was for the manual transmission fluid. He told me this: G 052 911 A2 when I look at the fluid on ECS it tells me it’s a GL-5 spec fluid. As I read and known from owning other VWs, I shouldn’t use GL-5 in the transmission I should use GL-4. If this is the correct fluid then that’s fine, I just wanted to make sure. If it is not the correct fluid can someone please tell me the OEM part number. Thank you!