関連ワード:  common problems in audi a3    common faults in audi a3    common problems with audi a3 convertible    common problems with audi a3 2015    common problems with audi a3 2016    common problems with audi a3 2018    common problems with audi a3 saloon    common problems with audi a3 2009    common problems with audi a3 2014    common problems with audi a3 2017