i have a 1991 golf have been using 20/50 synthetic for the last three years no problems untill now as i cant find 20/50 synthetic any more so have switched back to reg 20/50 hopes this helps
RepairPal Certified shops can diagnose and repair your 2003 Volkswagen Golf. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.