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Old 04-22-2008, 05:10 PM   #1
phildc
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Does an E46 require premium fuel?

I looked through the manual and it doesn't mention anything about requiring premium fuel, Is regular fuel OK? Can someone confirm this?

Thanks
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Old 04-22-2008, 06:08 PM   #2
jsonli
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it is okay but with degraded performance and much worse mileage. u'll end up paying more with regular because of that.
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Old 04-22-2008, 06:24 PM   #3
Karim@Corner73
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use at least 91.
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Old 04-22-2008, 07:12 PM   #4
M3ti Compact
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Prolonged use of regular gas in a car designed for premium WILL cause the check engine light to eventually come on- even with grandma style driving- speaking from experience.
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Old 04-23-2008, 10:04 AM   #5
StikiGreenZ
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Check your gas cap or fuel door. It should say Premium (91 octane) minimum.
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Old 04-23-2008, 10:16 AM   #6
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dont be cheap...thats the cost of driving a BMW
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Old 04-23-2008, 11:41 AM   #7
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dont be cheap...thats the cost of driving a BMW
+1, Ultra 94 is the only way to go
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Old 04-23-2008, 12:13 PM   #8
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if you dont .. your oxygen senors and other things will go .. i dunno why but they do.
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Old 04-23-2008, 12:32 PM   #9
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if you dont .. your oxygen senors and other things will go .. i dunno why but they do.
They will go quicker because regular fuel is not as clean as the higher grades and will eventually clog up the oxygen sensors with build up carbon and other types of gunk that regular fule produces
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Old 04-23-2008, 12:36 PM   #10
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Just want to use what is recommended by the manufacturer. I found this website http://www.fueleconomyone.com/1999/s...s/bmw_323i.asp which states it uses regular fuel, and like I said I couldn't find anywhere in the manual that states premium fuel is recomended.

The sticker on the fuel filler door is in German and it doesn't look anything like 'premium', but maybe I'll have it translated.


I've been using premium fuel but wanted to double check.

Why waste your money unnecessarily?? For those that want to through away some $$$ I'll be more than happy to take some off your hands.

Thanks to those that provided USEFUL replies.

Last edited by phildc; 04-23-2008 at 12:39 PM.
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Old 04-23-2008, 03:24 PM   #11
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Originally Posted by phildc View Post
Just want to use what is recommended by the manufacturer. I found this website http://www.fueleconomyone.com/1999/s...s/bmw_323i.asp which states it uses regular fuel, and like I said I couldn't find anywhere in the manual that states premium fuel is recomended.

The sticker on the fuel filler door is in German and it doesn't look anything like 'premium', but maybe I'll have it translated.


I've been using premium fuel but wanted to double check.

Why waste your money unnecessarily?? For those that want to through away some $$$ I'll be more than happy to take some off your hands.

Thanks to those that provided USEFUL replies.
? so are you going to use premium?
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Old 04-23-2008, 03:36 PM   #12
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Why waste your money unnecessarily?? For those that want to through away some $$$ I'll be more than happy to take some off your hands.

Thanks to those that provided USEFUL replies.

Here is a thought for you, why donít you just go out and buy yourself a Honda Civic or a VW diesel maybe even a hybird. Now if you really want to save some money, then u should go all out and get your self a geo metro
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Old 04-23-2008, 03:44 PM   #13
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I know the 330 cars require 91. I'm 99% sure all E46s need at least 91, don't know if the 323 or 325 uses 89 or above.
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Old 04-23-2008, 11:18 PM   #14
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I ran 89 in my '99 323i with no issues with the engine... Everything ELSE went to shit though... Nothing to do with the gas though. Tranny, power steering pump, eletrical issues, ball joints, etc.
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Old 04-24-2008, 07:31 PM   #15
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I have a '00 323i and the manual or the fuel fill door (can't remember which) says 87 is minimum but at least 91 is "recommended".
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