Use 5W30. 5W40 diesel-rated oil would be right for a TDI.
Depending on what you are looking to accomplish, there are many different oils you can use. Valvoline 5W40 synthetic, mobile 1 synthetic, 5w40 Castrol synthetic are all good choices.
4.5 liters of 5W40
in the oil sump, and is chain driven
about 4qts
About 4 letres
49
5W40
Dipstick should be marked
5W30
3.5 liter
Turn counterclockwise.
He 5w40 oil is a thicker oil at full operate temperatures than the 5W-30 oil.