The German government has decreed that starting in January 2009 filling stations in the country have to start offering E10 blended fuel. With the 10 percent ethanol blend coming, Volkswagen has certified that most of their recent cars will work just fine. The only exceptions are some models built between 2000 and 2004 for first-generation FSI engines. Those engines may have some fuel system components that aren't resistant enough to the corrosive effects of the water that can be absorbed by ethanol. For those vehicles, VW is recommending the continued use of super plus E5.
[Source: Volkswagen]
Nearly all Volkswagen vehicles can use the planned E10 fuel
First-generation FSI engines are the only exceptions
Wolfsburg, 8 February, 2008 - With only a few exceptions, all Volkswagen-brand
vehicles can run on the planned E10 fuel. For Volkswagen customers, the use of
this new fuel, which, according to new legislation, may contain up to 10% ethanol
in the future, will present no problem. According to plans of the federal
government in Germany, this new type of fuel is to be offered at filling stations
beginning 1 January, 2009.
The new fuel types "normal E10" and "super E10" are not suitable for vehicles having
first-generation FSI engines. This affects a few Lupo, Polo, Golf, Bora and Touran
models built between 2000 and 2004, and in individual cases to 2006. These vehicles
must be filled with the type "super plus E5."
The reason for this is that parts which transport fuel, in particular the high-pressure fuel
pumps and fuel rails of these engines, may fail if the new E10 fuel types are used.
However, owners of these vehicles will not be disadvantaged because these cars were
intended to use predominantly super plus fuels.
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