Dipstick should be marked
cal vw or your local parts store and they will tell you.
in the oil sump, and is chain driven
About 4 letres
about 4qts
49
5W30
Turn counterclockwise.
3.5 liter
5w30 full synthetic. i prefer Mobil 1
Use 5W30. 5W40 diesel-rated oil would be right for a TDI.
castrol gtx 10w/50 about £20/€25 for 4L's
Castrol Edge - this is the replacement for SLX ii - as described on the bottle. This is the oil to use for the longsife servicing option.