Originally Posted by parapaul
Door card on my E91 330d says 36f 39r for normal driving. I tried using less than that but the car felt really squirmy, almost as if I'd got a flat tyre.
Yes - the door card is telling you what pressure the runflats should be. Drop it by 3-4 if non rft.
I run 32 36
Previously: 2003 Peugeot 206 1.6 8v | 2006 E90 320d M-Sport, 19" BBS CH, Full Ice-cold JL audio install, August 2010 Total BMW 6 page feature car. | 2003 Nissan 350Z GT Coupe 286BHP
Now:2010 E92 LCI 335d M-Sport