Couldn't find RedLine in Romania till now, I tried 1 bottle of Gunk fuel injector cleaner(www.gunk.com), for 1/2 of a tank. Nothing significant happened... shoud I repeat for the next 3-4 refills? What reputation has Gunk among forum members?

~Thank you,

Nautilus

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1990 260E Sportline (that's 300E 2.6 for our American friends) -> sold
2001 E320 4Matic Elegance -> my Dad's daily drive
2005 Seat Leon FR 1.8T