This article is from the VW Performance FAQ, by with numerous contributions by Jan Vandenbrande others.
A:Rim Offset [From TomH, unverified but probably correct] 13x5 45 mm 13x5.5 38 mm 14x6 38 mm (A1 & A2 cars) 14x6 45 mm (A3 cars) NOTE THIS IS UNVERIFIED 15x6 35 mm (BBS 1-piece, # 165 601 026 091) 15x6.5 33 mm (BBS 2-piece)
 
Continue to: