Facts on Redex petrol treatment, it's Britain's leading petrol treatment additive. I use it with every fill up now and ready available from Costco in 4 bottle packs but make sure it's for
petrol E10 and E5 as there's diesel treatment packs too.
https://www.holtsauto.com/redex/prod...ystem-cleaner/
''It's drivings best kept secret''