diesel fuel filter

Anyone know how to drain water from the fuel filter of new diesel Audi's, in particular the Q7 3.0? There doesn't seem to be a drain at the bottom of the filter and the change
interval is 40,000 to 45,000 miles. I can almost guarantee that it will accumulate some water by then.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.