But a couple of factors delay it for me these days: 1. Our 195/65R15 Michelin X-Ice3 (on Plug-In Prius rims) deliver better mpg than the 215/45R17 Michelin Primacy MXM4 (on stock rims). 2. We’re doing about 4K kms a year. Starts to be immaterial what’s on the car, when...
I have 4 OEM 193 style rims available with Michelin Pilot Sport PS2 run flat tires and TPMS. They are the staggered 18" wheels that come with the m-tech package. These are off my 2011 e90 LCI and the wheels are in near mint condition. I bought the car from the dealer with these on...