What should my pressure be? Make Model Spec A4 CABRIOLET. 2.5 TDI BASEA4 CABRIOLET. 2.7 TDI BASEA4 CABRIOLET. 3.0 TDI 17 OPTA4 CABRIOLET. 3.0 TDI 18 OPTA4 CABRIOLET. 3.0 TDI BASEA4 CABRIOLET. 3.0 TDI S LINEA4 CABRIOLET. 3.0 TDI SPECIAL EDITIONA4 CABRIOLET. 3.0 TDI SPORT