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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 04-30-2013, 08:07 PM
rtally3 rtally3 is offline
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Mein Auto: 2007 328xi
Octane level in '07 328xi

I have been putting 93 octane in the car as the owner manual states, but I really need to curb my spending and am wondering if it's bad to put a cheaper gas in my car? I know it probably won't run quite as well, but will it cause damage? Thanks!
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  #2  
Old 04-30-2013, 08:26 PM
dpritchett dpritchett is offline
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Mein Auto: 2011 528i Sedan
Octane level in '07 328xi

Search is your friend. this has been argued many, many times!


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  #3  
Old 05-01-2013, 09:01 AM
Tom K. Tom K. is offline
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Mein Auto: '07 328iT.'13 Boxster
My rule of thumb is to use 93 octane unless it is priced over 10% more than 87. The 328i will run happily on either, but will give better performance and gas mileage when using at least the recommended 91.

Tom
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Old 05-01-2013, 09:05 PM
Lufthansa Lufthansa is offline
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Mein Auto: 2010 E92; '07Lexus GS350
89 for me - just drove (almost) cross-country again, and averaged over 30 mpg between fill-ups.
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  #5  
Old 05-02-2013, 08:12 AM
Leekay07 Leekay07 is offline
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Mein Auto: X5 35D, Former X1 and 335
umm kerb your spending via trading for a kia..
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Old 05-02-2013, 09:28 AM
Robin128 Robin128 is offline
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Only ever used Shell Optimax...98+ Ron...Rocket Fuel.

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Old 05-04-2013, 06:24 PM
Boraxo Boraxo is offline
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Quote:
Originally Posted by dpritchett View Post
Search is your friend. this has been argued many, many times!


If you can't afford an extra $100 per year for the right type of gas, then just sell your car. You should not be driving a BMW if you need to pinch pennies, Honda and Toyota make automobiles that are much cheaper to drive and maintain.
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  #8  
Old 05-05-2013, 08:33 AM
Ml3456 Ml3456 is offline
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Mein Auto: E93 and F25
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Originally Posted by boraxo View Post


If you can't afford an extra $100 per year for the right type of gas, then just sell your car. You should not be driving a bmw if you need to pinch pennies, honda and toyota make automobiles that are much cheaper to drive and maintain.
+1
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  #9  
Old 05-05-2013, 08:41 AM
kmorgan_260 kmorgan_260 is offline
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Mein Auto: 1997 528i
Quote:
Originally Posted by Boraxo View Post


If you can't afford an extra $100 per year for the right type of gas, then just sell your car. You should not be driving a BMW if you need to pinch pennies, Honda and Toyota make automobiles that are much cheaper to drive and maintain.
Well said. These types of posts never cease to amaze me!
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