Make Model Spec ALPINA 5 SERIES B10 E39 4.6 V8 (BI-TURBO) ALPINA B10: E39 4.6 V8 (BI-TURBO) 18 OPT tyre pressures Size Front Tyre Buy Tyres 235/40R18 Z 91 2.7 BAR / 29 PSI Buy Tyres What should my pressure be?
