07-11-2010, 02:24 AM
This may also be further agitated by high levels of ethanol in some gas sold. BMW fuel pumps have been breaking because of ethanol in damaging the rubber seals in a bunch of cars. The problem was really bad at one point. Keep in mind German engineering assumes that ethanol additives will be precisely as stated, but some gas testing has shown levels twice what is listed at the pump. I think you can find a list online of what companies have the most problems.