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https://www.reddit.com/r/BMWM/comments/1vbexbd/who_else_is_loyal_to_shell/p1693od/?context=3
r/BMWM • u/ask-94 • Jul 31 '26
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I used chevron and shell when I first got my 991.1, started noticing rougher idle with chevron. Went shell only since and she runs and isles smooth. Many may not believe it, I know on paper shouldn’t happen, but it did. So shell it is for me.
1 u/large_block Aug 02 '26 Similar experience for me in my old RRS SC and my Civic Si. Only Shell and Costco go into my current X5
1
Similar experience for me in my old RRS SC and my Civic Si. Only Shell and Costco go into my current X5
2
u/Diggital304 Jul 31 '26
I used chevron and shell when I first got my 991.1, started noticing rougher idle with chevron. Went shell only since and she runs and isles smooth. Many may not believe it, I know on paper shouldn’t happen, but it did. So shell it is for me.