Don't joke about this, I had a common rail mech tell me bio eats out your fuel tank! Only if you leave the caustic in it mate was my thought, but my common rail car did not do this, only the shitty components the manufacturer put in there failed / dissolved away. Piss poor.

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Biodiesel Bandit

Landcruiser 98 B100
Peugeot 306 stdt B100
Peugeot 2004 2L 307 HDI Does not like B100