Can only purchase 87 octane
11-08-2012, 02:31 PM
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My Ride: 535XIT Space Gray, Cream Beige LeatherCold Weather, Premium, Auto, Rear Side Window Shapes, Heated Rear Seats, Park Distance, Navigation, Satellite Radio
Model Year: 08
Can only purchase 87 octane
Due to the storm I can only purchase 87 octane gas for 535XIT. Can I use it or should I walk?
Last edited by V70Cat; 11-09-2012 at 03:38 AM.
11-08-2012, 11:34 PM
#4
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lol. its fine. my first E46 ran straight 87 before it was totaled and that was at 140K miles with no issues and all original everything besides plugs, belts and other items not related to fuel
11-09-2012, 03:42 AM
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My Ride: | 2010 535i x-drive | Monaco Blue Metallic | Cream Beige Dakota | 6 Spd Manual | Sport | Cold Weather | Premium | HUD | Navi | Logic 7 |
On the contrary I used 87 octane for 6 months (from bjs) I messed my fuel injectors up real good, personally if it works keep using what you are but always keep it in mind.
11-09-2012, 04:24 AM
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How exactly were the fuel injectors damaged by running lower octane fuel? I could see if you were running dirty fuel that perhaps clogged the injectors but as we all know octane rating has absolutely nothing to do with the actual quality of the fuel.
11-09-2012, 04:47 AM
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My Ride: 535XIT Space Gray, Cream Beige LeatherCold Weather, Premium, Auto, Rear Side Window Shapes, Heated Rear Seats, Park Distance, Navigation, Satellite Radio
Model Year: 08
Here is what a service adviser said:
Not recommended but I know there are not many options. If you do use it go easy on the engine and stop at a auto parts store and get some octane booster to put in the fuel tank
Not recommended but I know there are not many options. If you do use it go easy on the engine and stop at a auto parts store and get some octane booster to put in the fuel tank
11-09-2012, 05:56 AM
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My Ride: 545i 2004, SMG, Sport, Nav, Logic-7, Bluetooth phone retrofit
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The engine will detune itself to the lower octane, with minor loss of power and MPG, and it's not going to ruin the motor. I think you should be more concerned about brands that don't have enough detergent in the 87 grade. This Web site lists the brands that put enough detergent in all grades, according to a consortium of auto makers including BMW. If you're stuck with a non-conforming brand, run some Techron every few tanks to keep your injectors clean.
The engine will detune itself to the lower octane, with minor loss of power and MPG, and it's not going to ruin the motor. I think you should be more concerned about brands that don't have enough detergent in the 87 grade. This Web site lists the brands that put enough detergent in all grades, according to a consortium of auto makers including BMW. If you're stuck with a non-conforming brand, run some Techron every few tanks to keep your injectors clean.
Last edited by Wolrab; 11-09-2012 at 06:51 AM.