That is it, you just do a search then get out of the menu. Waat happens is that Navi will show icons for last sarched poi, so if you search for gasstation you will get those icons show, and so on

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X5 4,4i-06 Current
330Ci Cab-03 2007-2008
MB E55 AMG-03 2006-2007
Z3 2,8 Roadster-98 2006-2007
X3 2,0d-05 2005-2006
320d-99 1999-2005