Mine has the Pink coolant which is the OAT type, I believe it takes around 11 litres, but I'd allow wiggle room for the long bonnet and therefore hoses of the Mog.
But it depends on what is in yours already.
For starters what colour is it?
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3)
