Combining a K04-064 turbo with a Water/methanol injection (WMI) system brings both reliability and performance benefits to the 1.8 TSI EA888 engines. The Skoda Octavia 1.8 TSI K04 with a Stage 3 ECU remap is a very fast car: Its performance resembles more that of a 2.0 TSI with a K04 kit than a 1.8