Originally Posted by bga23
I fill up whenever I'm at Costco and never had a problem, otherwise it is Shell for me. As for as issues with Costco gas, since I only keep my cars for about a year and put ~5K on them I doubt I'm doing any damage. But guess they are problems for the new owner.
Your M3 is due for a change now
I use purely Shells but it's somewhat not on the way so I also use Sunoco. Used nothing else but Shells and Sunoco for the past 6-7 years.
- 2012 AW/FR E92 M3 - DCT w EDC, ZPP w Tech, Apps, Enhanced Sound, SAT.
- BPMTune Stg1, Piano Black, Euro Visors, OEM Performance CF Spoiler + Grills + Pedals, IND Gloss Blk Pkg, Lux V3, ModeCarbon GTS V1 Lip, 19" HRE P40
- 2008 BSM/Black E92 335i - Step, Premium, Sports, Logic7, Comfort, Navi, SAT, Alum.