Engine Code: CAEB; Engine Code: CDNC. AUDI A4 B8 Avant (8K5) 2.0 TDI Estate Diesel 06/2008 12/2015 FWD 16 120 88. AUDI A4 B8 (8K2) 2.0 TDI Saloon Diesel 06/2008 12/2015 FWD 16 120 88.