E90/E91/E92/E93 (2006 - 2013)
I had a nail puncture in one of my RFT with a slow leak and damaged the sidewall while driving. Decided to replace all 4 tires at once for non-RFT. Now I have four great tires, but no spare. What do folks advise about future flats? TireRack has a ContiComfortKit and local stores have aerosol...