Make Model Spec S8.S8. 21 OPTS8. 21 OPT IS8. 21 OPT IIS8. 4.0 TFSI QUATTROS8. 4.2I T-TURBO QUATTRO STDS8. 4.2I T-TURBO QUATTRO STD 20 OPTS8. 4.2I T-TURBO QUATTRO STD. S8. 5.2 FSI V10S8. 5.2 FSI V10 What should my pressure be?
