RME Fuel (biodiesel fuel) according to DIN 51 606.
Diesel vehicles can be operated on PME fuel (vegetable oil methyl ester).
You can find out where you can fill up with RME fuel at your Volkswagen service centre or at your local car club.
Features of using RME fuel
RME fuel is obtained from vegetable oil (mainly rapeseed oil) through a chemical process in which vegetable oil and methanol are converted into PME fuel using a catalyst.
PME fuel contains almost no sulfur. Therefore, when this fuel is burned, almost no sulfur dioxide is released.
Combustion products contain less carbon monoxide, unburned hydrocarbons, and solid particles (for example, soot), than what is produced by burning traditional diesel fuel.
The content of all harmful substances in the exhaust gases is less than required by law.
RME fuel is easily biodegradable.
RME fuel maintains sufficient fluidity up to a temperature of approximately 10°C.
When the outside temperature is below 10°C, diesel fuel must be added to the fuel tank to prevent flocculation in the biodiesel. The mixing ratio of diesel and biodiesel should be approximately 50:50.
PME fuel can be mixed in any proportion with regular diesel fuel.
Only a slight deterioration in the vehicle's traction and dynamic qualities may be observed.
Fuel consumption of RME may be slightly higher.
Operation in winter conditions
When using summer diesel fuel at outside temperatures below 0°C, engine operation may be disrupted because the fuel becomes viscous due to paraffin deposition.
Therefore, during the cold period of the year, winter diesel fuel is used, which, depending on its brand, ensures uninterrupted engine operation at temperatures down to -15°C or down to -22°C.
In countries with different climatic conditions, there are other grades of diesel fuel, which for the most part have different temperature limits for their use than those listed above. The necessary information about the grades of diesel fuel used in a given country can be obtained from a Volkswagen service center or at filling stations.
Fuel filter heating
The vehicle is equipped with a fuel filter heating device. Thanks to this, fuel intended for use at temperatures down to -15°C can be used at temperatures down to approximately -25°C.
If, at an air temperature below -25°C, the fuel has become so thick that the engine will not start, it is enough to let the car stand for some time in a heated room.
Various additives, gasoline and other additives that increase its fluidity should not be mixed with diesel fuel.
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