Found these; MPM ATF Dexron III F/G 4Ltr for £39.59 on Eurocarparts (after discount)
https://www.eurocarparts.com/p/mpm-a...4ltr-522778361 -- or --
MANNOL MN8206-4 DEXRON III AUTOMATIC Plus, 4 Litre for £18.99 on Amazon
or this from Westway Lubricants -ATF Dexron 3 Automatic Transmission Fluid 5 Litres 5L for £20.99,
Whats the difference ? are they all really much the same ? I assume its the Dexron III thars the main thing