Russian distributor has admitted in the serious defect of its map. Fuel stations were not linked to operators on market and did not have any name. If you want choose operator for searching you must additionally download and install this POIs (only Russian language):

http://www.garmin.ru/download/extras/poi.php

АЗС Роснефть
[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]

[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]

АЗС Лукойл

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[Only registered and activated users can see links. ]

АЗС Газпромнефть

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or
[Only registered and activated users can see links. ]

[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]

АЗС ТНК

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or
[Only registered and activated users can see links. ]

[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]