What should my pressure be? Make Model Spec 3 SERIERS. D3. E90 (320D DONOR) 19 OPT3 SERIES D3. E90 (320D DONOR)3 SERIES. D3. E90 (320D DONOR). 19 CLASSIC WHEEL OPT3 SERIES. D3. E90 (320D DONOR). 19 MICHELIN RUN FLAT OPT