View Single Post
      01-09-2014, 06:18 PM   #8
barcelona
Major
barcelona's Avatar
Canada
271
Rep
1,417
Posts

Drives: X
Join Date: Jul 2013
Location: Toronto

iTrader: (0)

Quote:
Originally Posted by ianfp View Post
I expect the difference is down to tire sidewall compliance. As Gouda says, run flats have a very stiff sidewall. I would have thought your adaptive suspension would smooth everything out, but those Pirelli P Zeros are particularly hard. I will replace mine with non-runflat when needed, but they must be BMW star marked apparently.
I think that BMW star approved are RFT's only. Upon vehicle return at end of lease the tires must be star approved. So, before then its driver choice.
Appreciate 0