The engine air filter element for the 2.0 liter TSI turbocharged inline four cylinder motor in a 1st generation (2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 and 2017) VW Tiguan SUV should be checked and cleaned at every oil change and replaced every 2-3 years or every 20,000 miles. Check out my DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or the thumbnail image below.
2009-2017 VW Tiguan Engine Air Filter Replacement Guide
