[SirSpeedy]

I'm considering the purchase of HRE wheels for my E92 M3. The contenders are 18" R43 and 19" P43. I realize the R43 is more track oriented and the tire selection is greater and tire pricing is less expensive in the 18" size. I can appreciate the aesthetics and function of both wheels and their respective strengths. I'd like to hear your guys' thoughts...

I currently have 18" TE37SLs with PSS which I found to be a vast improvement over the ZCP setup with OEM rubber.

Edit: I just got off the phone with TireRack who informed me of the limited size fitment options. I have a couple requests out to the M3Post vendors as well. I was under the impression that HRE did custom fitments (ie. offsets.) I may be off the mark.