E85 causes clogged fuel filter?
-About changing from petrol to Ethanol-
Back when I was driving and tuning my Saab, the guys at the Saab forum said that it is important to change the fuel filter after the first fill of E85.
This was because of a lot of crap in the fuel tank would be dissolved by the E85 and clog up the fuel filter.
This would seriusly impact on the fuel flow.
Therefore it was recommended to change to a new fuel filter after the first full tank of E85.
If that was true, then it might still be a problem with our BMWs?