[msej449]

What particular type of Pirelli do you have and what's your wheel and tyre spec'?

This problem with Pirellis seems to be very much a US thing. The Pirelli PZero is used as OE and retro-fit sets by BMW in the UK and I've never seen anything like the level of issues you seem to have in the US, if forum feedback is anything to go by. The PZero comes in various versions as well, so even knowing it's a PZero isn't necessarily definitive.

What I have noticed is that BMW use the P7 in the US and this is definitely not recommended for the 2 Series either by BMW or Pirelli in the UK. I've also noticed that US owners tend to fit lower-profile combinations (i.e. profiles not sold by BMW) much more than we do, so I wonder if this is a factor?

Having your full wheel and tyre spec' might shed some light on this.