87 Octane Gasoline
10-01-2004, 04:45 AM
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I had to get gasoline in NJ this morning, where there is no self-serve. Although I said to fill up with Premium, the attendant started filling up with 87 octane gas. I saw that right away and stopped him, so he swiped my credit card again and pressed the button for premium gasoline. HOWEVER, after that I saw him press the low grade button again several times, but the price display remained over the Premium button, suggesting that this is indeed what went into the tank. My question is: can they somehow fool me and fill up with a different grade than what the price display indicates, and MORE IMPORTANTLY: how bad is it if the tank was filled up with 87 octane? I will avoid this gas station in the future, but I want to know if any damage can occur due to the wrong gasoline, or if everything will be okay if I fill up with premium again next time.
10-01-2004, 05:04 AM
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YOu can get an octane booster at an auto parts store if you like. The knock sensor should prevent anything bad happening to the engine, you just won't have max. performance. I would fill up again with premium when you get down a 1/4 tank, then keep doing that 3 more times 'till all the gas is replaced.
10-01-2004, 05:25 AM
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Hi Peter,
There is nothing to worry about. Just don't give your 545i too much load and it'll be fine. Jimbo was right, there is a knock sensor which will retard the timing to prevent engine knock.
There is nothing to worry about. Just don't give your 545i too much load and it'll be fine. Jimbo was right, there is a knock sensor which will retard the timing to prevent engine knock.
10-01-2004, 05:44 AM
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My Ride: 545Ai, Silver grey, black, poplar, Sport Pkg, Logic 7, Comfort seats, Nav, HUD, PDC, rear shades, and satellite radio
Man I guess it depends what part of the country you live in. I haven't seen anything but self serve in years.
10-01-2004, 06:56 AM
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Originally Posted by firewired' date='Oct 1 2004, 08:44 AM
Man I guess it depends what part of the country you live in.? I haven't seen anything but self serve in years.
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NJ is one of those states where the politicians think the general populace is unable to handle the mind blowing task of filling ones own tank, hence no self service in the state of NJ. But on the other hand gas prices in NJ for full service are generally cheaper then the rest of the country for self service.
10-01-2004, 07:02 AM
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My Ride: 545Ai, Silver grey, black, poplar, Sport Pkg, Logic 7, Comfort seats, Nav, HUD, PDC, rear shades, and satellite radio
I was amazed at the price of gas down here in Texas after moving from Chicago. What is the price of a gallon in N.J. ? I think here it is currently about $1.89 for premium.
10-01-2004, 08:37 AM
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Originally Posted by skipper' date='Oct 1 2004, 09:56 AM
NJ is one of those states where the politicians think the general populace is unable to handle the mind blowing task of filling ones own tank, hence no self service in the state of NJ. But on the other hand gas prices in NJ for full service are generally cheaper then the rest of the country for self service.
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10-01-2004, 08:50 AM
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My Ride: MY05 545i Jet Black with Auburn interior. SMG, Logic7, Sport Package, Comfort Seats, Navigation.
Man, we're paying $2.30 a gollon here in SoCal. SELFSERVE!
I really like full serve though. Nothing beats having some pumping gas for you on a rainy day. I hate wetting my carpet.
Otherwise, I prefer to pump my own gas.
I really like full serve though. Nothing beats having some pumping gas for you on a rainy day. I hate wetting my carpet.
Otherwise, I prefer to pump my own gas.