Top up oil?

[gilford]

My RS5 will need a top up soon by the looks of things, the supplying Audi dealer hasn't included a 1ltr bottle in the boot suprise suprise!

The car is on long life service, which top up oil is used?

Cheers!

[RS6chris!]

5w30 fully synthetic to VW 504/507I believe?

I use Castrol Edge in this spec in the "6"

[anglaslt]

I was left a litre of Castrol Edge Professional Longlife III 5W-30 after the oil change in my RS5 so I presume that's the correct oil

[gilford]

Thanks for the replies lads

Is it this one -

http://www.amazon.co.uk/gp/aw/d/B004GZQ ... il_1p_5_ti

[RS6chris!]

That's the one good price too?