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 | 2014 AW X5 | 2015 MB S550 | 2016 RR V8 (White FTW)
- BPMTune Stg1/Servo, Euro Visors & Side Mirror, IND Gloss Blk Pkg, OEM Perf. CF Trim/Spoiler, Grills, Lights, Pedals, Umnitza V4 AE, ModeCarbon GTS V1, 19" HRE P40
- 2008 BSM/Black E92 335i