Currently running Pirelli scorpions in the above size. I've just checked the tyre pressures for the first time since I bought the car and realised that they were all on 49psi!!! It's had a service at Stratstones in Bury since I've bought it so it seems that they didn't check them. I presume that it was the company that refurbed my wheels before I bought the car that are responsible.

I've reduced the pressure to 32psi at the front and 36psi at the back. Does that sound about right? I looked inside the fuel filler flap where recommended pressures usually are but couldn't find them. What pressure do other people run?

The pressure guides are on the inside of the drivers door pillar when you open it ...

42 on the rears I think is when the car is fully laden .... Normally folk run on 36 rears 32 fronts tho ...

I have been running 34 front, 36 rear with no issues Had around 30,000 from Pirelli, currently on Dunlops which dont seem to wear as well, changing to an AT for this winter 2013 L405 Autobiography Baltic Blue
2007 L322 Vogue Buckingham Blue