Quote:
Originally Posted by lootman1221
today one of my biggest pet peeves happened as i wasnt paying attention. being that i live in new jersey, i dont pump my own gas. normally i watch the gas attendant as they put fuel in my tank, but today when i requested 93, the guy put in 87 and by the time i noticed it was to late and i had a full tank. i saw the mistake and he apologized which doesnt do me much good, but he did put in the octane booster fluid which im not sure howmuch that will help. but my main concern is howmuch damage can this cause in my m235? i have wagner intercooler, down pipes, intake and normal bolt ons. once i noticed the mistake of fuel i instantly switched from map 2 to map 4 on my jb4 iphone app. should i be freaking out over this one time mistake?
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OP you're fine. Probably by now the 87 didn't reduce your performance very much so get back to 93. No damage will be done but BMW's like 93 to run optimally. I've done it before and I noticed the car ran like crap for a bit. All good now though.
