Very similar pressures to me: 32f/34r psi on 108's/107's and FK452s. 5k or so miles and wearing flat and evenly too. Feels fine to me but then I've not experimented much.Mr Whippy said:31.5f/33r psi here on my Z4 on 108's and FK452's, and they are wearing flat and evenly.
Dave
Still interested to hear from cj10jeeper as to where the jack can be stored in the engine bay area :!: