Having checked further online, there's much discussion about G30 coolant and whether or not it's suitable. A couple of sites say that G30 is Ethylene Glycol based, while others say it's OAT. Given the grey areas I'd just go with VAG stuff personally.
A forum community dedicated to Volkswagen Mark 4 owners and enthusiasts in the UK. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for the Golf, Bora, Jetta, Touran, and Scirocco!