Recent content by Rad1o

I just want to resurrect this topic with the request for advice. We have a Nissan / Renault engine 1.5 DCI and a VAG 2.0 TDI 170 both from 2014. The nissan oil spec in the car's manual is C4, whereas many suppliers only list the engine as Renault RN0720 and the VAG is VW507. I am looking for an...

Thank you everybody who replied. I will keep the oil as is.

Thank you. Can I still ask, why does VW specify this 507 oil and nothing else allowed?

I topped up a VAG EA 189 (2.0 TDI 170BHP) which VW claim it needs their VW507 oil with a litre of fully synthetic A3/B3/B4 oil 5W30. Now reading up on the different oils the VW is a newer oil which is classed under C4. Have I crippled my engine now?