Hold your lens up and look into the front element side at the blue sky. If you do it right you will see the dust on/in the lens.
Or you can take a pic of the sky with no lens and see if it is the sensor.
I PP it out on the lens dust, haven't had sensor dust yet
11K frames and counting..
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Kevin Goto
2000 740i-Annalisa (sold 2018) 2008 335i-Weebl. Weebl may wobble but has DTC ![Roundel Dance](images/smilies/roundel.gif) 2012 X5d in Sparkling Bronze ( The Ultimate Cat Carrying Machine)-RIP BMW buyback 2019:2017 A3 ![Confused2](images/smilies/iono.gif) , 2018 Audi SQ5
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