You're right Dimitri.
Have you got a time machine? I'll go back a year when this thread was created and egg the dealership responsible.
=^)
For anyone wondering, Vw part number ZVW-352-540-S-DSP is Castrol Syntec 5W-40. It is for 502.00 and 505.00 ratings.
Part number ZVW-352-167-Q-DSP is Castrol SLX Professional OE. It is Vw 505.01 rated for Pumpe Duse engines.
And finally part number G-052-195-1L is Castrol SLX Professional LL03. It is Vw 504.00 and 507.00 rated for Common Rail engines.