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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 04-25-2012, 05:23 PM
EDYTHE EDYTHE is offline
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Do all current models require Premium gas ?

Looking at an 535 '08 pre-owned requiring Premium fuel (per gas tank cover) ...is this par for the newer models also ? (i know what some might say -i also said it to my hsuband: if you have to worry about an additional gas-cost then don't buy a BMW - LOL) but he still wants to know - LOL thanks so much ! Edythe
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  #2  
Old 04-25-2012, 05:29 PM
bkun bkun is offline
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That is what I too don't understand. People get BMWs, Acuras and other high end cars and try to save few bucks filling up with Regular. Why can't they just get a Kia and fill it up with regular gas. Kia is like a BMW (that is what the owners at least think.
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  #3  
Old 04-25-2012, 05:51 PM
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Hectorml07 Hectorml07 is offline
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Quote:
Originally Posted by EDYTHE View Post
Looking at an 535 '08 pre-owned requiring Premium fuel (per gas tank cover) ...is this par for the newer models also ? (i know what some might say -i also said it to my hsuband: if you have to worry about an additional gas-cost then don't buy a BMW - LOL) but he still wants to know - LOL thanks so much ! Edythe

http://www.bimmerfest.com/forums/sho...d.php?t=562279

I always put premium on my bimmer no matter how expensive it gets....regular fuel for the wife's Honda lol
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Old 04-26-2012, 07:49 AM
Phoenix1 Phoenix1 is offline
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Use premuim Shell, BP, Sunoco, etc. - or don't buy the car. Get something else where performance doesn't matter as much. Also stay away from independent stations since you never know where they are getting their fuel from.

If you drive 15K per year at 20mpg = 750 gallons X .30 per gallon extra for premium = $225 per year extra. If you're worried about that, you shouldn't be getting a BMW (or any premium car) since maintenance and insurance will also be higher.
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  #5  
Old 04-26-2012, 07:57 AM
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I was told by the dealer that in winter, I could use mid-grade... can't remember why... I put in 91 octane or 93 if they have it.
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  #6  
Old 04-26-2012, 09:11 AM
Arctic-Rodz Arctic-Rodz is offline
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I put premium on all 3 of my V8 vehicles. My two Chevy's have been custom tuned for premium. The BMW already requires it so either way im goin premium
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  #7  
Old 04-26-2012, 09:52 AM
GermanCarGirl GermanCarGirl is offline
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I agree with the other posters...premium is used in all my cars (even my VW which also doesnt take anything less then premium per the recommended fuel in the book). If you are concerned about that, I would look into a different car, and do not take the chance of using a lower grade fuel in the bimmer (or any other car that require premium fuel for that matter) - you will regret it in the long run.
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Old 04-26-2012, 10:32 AM
HPIA4v2 HPIA4v2 is offline
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I wouldn't use anything but highest octane gas on turbo (or induction engine like super-charge). Most likely you won't see any damage cause the anti-knock will retard the timing (though you'll loose power in the process) so that savings is not really there. We are looking at $.08/gallon diff here between mid-grade and highest grade, how much driving do you do to mount any saving from that???
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  #9  
Old 04-26-2012, 12:47 PM
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Oceans10 Oceans10 is offline
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93 octane all the way.
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  #10  
Old 04-26-2012, 01:24 PM
MrTriad MrTriad is offline
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I don't wanna sound like a *********, but if you're driving a BMW, you should be able to afford a couple cents more.
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  #11  
Old 04-26-2012, 05:16 PM
EDYTHE EDYTHE is offline
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Originally Posted by MrTriad View Post
I don't wanna sound like a *********, but if you're driving a BMW, you should be able to afford a couple cents more.
---------------------------------------
exactly my feelings !!! why buy a car like that and fret over gas prices!? i know people who do that very thing ...but it doesn't matter because we decided today not to buy the car ....can't get it CPO'd from BMW (over 50k miles) and we will not buy an 'independent' warranty policy .... maybe others can live with that choice and i applaud them but we can't ... each to his own. have a great day !
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  #12  
Old 04-26-2012, 05:32 PM
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Cars should use what the manufacturer suggests. BMWs operate at higher compressions than everyday cars, and premium gasoline is called for. The higher the octane number, the more resistance to uncontrolled combustion. In a gasoline engined car, the air and fuel are squeezed together (compressed), and, as you know, squeezing stuff together generates heat. You want that air and gas mixture to explode when the spark plug sparks, and you don't want it to explode on its own from the heat.

BMW, and other high performance engines, squeeze that air and fuel mixture more than do regular engines, so there is a higher risk of the mixture igniting early, which is bad for the car.

So, yeah, if the manufacturer calls for 91 octane, use 91. The car does not need more, but many places have either 91 or 93 as their premium, with 89 as the mid grade and 87 as regular.

If you care to, take a look at this. http://auto.howstuffworks.com/fuel-e...question90.htm
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  #13  
Old 05-06-2012, 07:42 PM
DaIceCreaMan DaIceCreaMan is offline
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for the 550i, the short answer is no... the owners manual recommends premium but says 87 is the minimum and that you may hear knocking. Do i suggest using 87? nope but we all can make our own decisions, right, wrong or indifferent.

its your car, if you want to put 87 octane gas in it, give it a 4' lift with 26' rims, tint the windows gold and have white neon lights underneath... who cares.. its your car

fyi, page 223 in the OM
http://www.manualowl.com/am/BMW/2009...ries/Manual/50
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  #14  
Old 05-07-2012, 02:04 AM
mfumbesi mfumbesi is offline
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  #15  
Old 05-07-2012, 07:14 AM
sockmonkey sockmonkey is offline
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Quote:
Originally Posted by DaIceCreaMan View Post
for the 550i, the short answer is no... the owners manual recommends premium but says 87 is the minimum and that you may hear knocking. Do i suggest using 87? nope but we all can make our own decisions, right, wrong or indifferent.

its your car, if you want to put 87 octane gas in it, give it a 4' lift with 26' rims, tint the windows gold and have white neon lights underneath... who cares.. its your car

fyi, page 223 in the OM
http://www.manualowl.com/am/BMW/2009...ries/Manual/50
Well, actually, no. We all care; as a community, we try to inspire everyone to take care of their BMWs. That abused car may very well be be your next purchase...

"The short answer"? Are you kidding me? The short answer is yes, you need to run premium. It says it on the gas cap. Very simple, and it doesn't need a read-between the lines of the OM. Remind me to never buy a used car from you...
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  #16  
Old 05-07-2012, 12:59 PM
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bimmerzone bimmerzone is offline
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Well said.....
buy a BMW for performance, add low grade fuel and decrease performance (Knock sensors kicking in) whats the point?



Quote:
Originally Posted by MrTriad View Post
I don't wanna sound like a *********, but if you're driving a BMW, you should be able to afford a couple cents more.
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  #17  
Old 06-24-2013, 11:38 PM
InterpreDemon InterpreDemon is offline
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Premium, schmemium

I had a 1983 320i e21 that I bought new and drove over 600k miles without cracking open the engine... all on regular gas except in the hottest, hardest driving conditions like trips through Kansas and Texas in the summer. That engine had a compression ratio of 8.8/1, whereas those today like my 2003 e39 have a tad over 10/1 but also benefit from knock detection and correction, thus all the BTUs contained in a gallon of regular (which is, by the way, equal to that of a gallon of premium) will be extracted and delivered to the rear wheels just as efficiently as those within a gallon of premium, with the only two consequences being that you would not be able to achieve maximum rated power on demand and your emissions system components do not have to work quite as hard with the faster burning regular gas.

If you are a hot-dog who has a need for maximum power output at all times I suppose you would want to run premium all the time, however since I know how to make excellent time as well as anybody over many hundreds of thousands of miles (in fact a few million) without ever getting any speeding tickets or being stranded by my chariot, I find that running regular in the Fall, Winter and Spring with mid grade through the summer and Premium during the hottest and/or most heavily loaded days to be rational... even though I would be perfectly comfortable running regular gas at any time and compensating for adverse conditions through my driving.

Thus there are no conditions where I would definitely NOT run regular, however there ARE circumstances where I would NOT pump premium in my tank; I would never pump premium from a rural, local or off brand (independent) gas station or any establishment where I felt the inventory turnover was likely to be slow with the premium grades... gas breaks down over time without stabilizing additives (as my long experience with boats and aircraft has taught me) and the potential negative consequences of stale fuel use present a far greater risk of being stranded with giant repair bills than cruising down the interstate with regular gas instead of premium.

Maybe it's just because I am older and my hot-dogging days are many years and miles behind me... if I want to drive faster than ninety-five I just hop into the Bonanza, but I figure on the fuel price differential alone I have conservatively saved at least thirty grand from blowing out the tailpipe over my driving years, double or triple if you factor inflation, yet my transportation has been every bit as reliable (in fact I would venture to say definitely more reliable than for many of those who claim that folks like me are "cheap") and the money saved was put to better use, like running on Michelins with plenty of tread at all times, top grade lubricants frequently refreshed, good shocks/struts and well maintained brakes. Putting your money into that type of "performance" will affect every mile you drive to a far greater extent than not having that last five horsepower to pass somebody... if you need that extra five HP you probably shouldn't be passing in the first place.

I never bought a BMW because I was "rich" and needed to make a statement about myself, right down to paying as much as possible for gas, or bragging that I had every dealer service stamp in my owners' manual (in fact I only had one... the initial six-hundred mile free check-up), I bought them because I was poor and needed to get the best value for my investment, like paying nineteen grand thirty years ago for a vehicle that took me over 600k miles all over the country as a salesman, getting me there safely, comfortably, refreshed and on time, always getting me back home again, and the day I passed it on to my daughter it still did all of that as well and the driving experience felt just the same as the day I drove it home from the dealer.

As I always told my customers when the price objection came up, "Poor people cannot afford to buy cheap things", so if you're smart and don't have any money you should probably figure out how to get your hands on a BMW.

OK, enough of that... I need to push my shopping cart full of empty soda cans down to the local A&P and get a few more nickels for my premium gas budget, otherwise I won't be able to drive to the beach in July.

Last edited by InterpreDemon; 06-24-2013 at 11:42 PM.
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  #18  
Old 06-25-2013, 04:01 AM
etnav382 etnav382 is online now
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Listening to other forum members that have said they have noticed a slight decrease in mpg when using regular compared to premium. The funny thing was that slight decrease was just enough to offset what little they did save by not getting premium.

Personally I go with the majority opinion here and say use premium, blah, blah...
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  #19  
Old 06-25-2013, 05:57 AM
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Mein Auto: BMW 535i Sport, 08 Accord
70% (93 Octane) + 30% E85 (105 Octane) Smiles when i drive

But Yea like others said, 93 all the way.. Smooth feel and better ride..
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  #20  
Old 06-25-2013, 07:45 AM
InterpreDemon InterpreDemon is offline
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"Smooth feel and better ride"... The placebo effect. If I had you drive two identical cars in an ordinary way in ordinary conditions, one with and one without premium, you would not be able to tell the difference, especially since you apparently have never run regular gas in your car for any extended period of time and wouldn't know what it felt like if you did. I, on the other hand, have logged well over a million miles in BMWs under all conditions and fuels, know precisely what the differences are from direct experience, and other than the price you pay the differences are virtually non-existent for the safe, legal driver. But hey... it's your money, at least for now.
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  #21  
Old 06-25-2013, 09:43 AM
Dishoom Dishoom is offline
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I've only put premium in my car, and wouldn't even consider anything less. As it is, my 550 is picky up which premium...only seems to do good with Chevron or Shell, I get a rough idle with BP or anything else. The cost of premium over regular is typically < $5.00 per tank. Not to be harsh, but if that makes you cringe, then maybe you should not get a BMW or any other vehicle which recommends premium.
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Old 06-25-2013, 09:47 AM
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Do all current models require Premium gas ?

I think with Naturally Aspirated engine, you could get away with using lower grade gas, but with turbos you really need to put premium gas only ~


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Old 06-25-2013, 11:30 AM
InterpreDemon InterpreDemon is offline
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Five bucks a tank doesn't make me cringe, but for my style of driving it doesn't buy me anything, either. A cheap cigar would get me more. I've had my share of "premium only" vehicles, like a '67 427/435 Vette, a few highly worked 60's era Alfa Romeos and such, all from the days of carburettors, high compression, centrifugal advance distributors and high-dwell cams, but it's a very different ball game today. The number one answer I think most who enquire here want to obtain is whether they are going to destroy their engine if they choose or are forced to run on a tank of regular gas, and the answer is definitely "no". Are they buying insurance running premium? The answer to that question is "it depends"... if you are warming up your car on a -20 degree morning in MN the regular gas will be far more friendly to your CAT. If you are running out of gas in Lost Holler, WV and decide to fill up with some of the five year old premium at the general store you might be in for a rude surprise a few miles down the road. But if you are like my ex son-in-law, a 3-series owner whose driving style could have just as easily been managed with toggle switches instead of gas or brake pedals then yes... you probably should stick to premium.
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  #24  
Old 06-25-2013, 01:52 PM
bimmerstien bimmerstien is offline
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Quote:
Originally Posted by Phoenix1 View Post
Use premuim Shell, BP, Sunoco, etc. - or don't buy the car. Get something else where performance doesn't matter as much. Also stay away from independent stations since you never know where they are getting their fuel from.

If you drive 15K per year at 20mpg = 750 gallons X .30 per gallon extra for premium = $225 per year extra. If you're worried about that, you shouldn't be getting a BMW (or any premium car) since maintenance and insurance will also be higher.
The full coverage insurance on my 08' 528Xi CPO was less expensive than my '06 Impala LT ....IN NEW JERSEY!!!

Last edited by bimmerstien; 06-25-2013 at 01:53 PM. Reason: grammer
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  #25  
Old 06-25-2013, 02:15 PM
UltimateDriving UltimateDriving is offline
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I dont know if Premium vs Regular makes a difference or not but sometimes stations/brands do. (I always fill up with Premium)
I have filled up the tank in certain stations and after that i've noticed unusual vibrations from the engine when idling at traffic. (Vibrations were worse)
I live in a country where there are no regulations for gas quality (Detergents etc) thats why i only fill the tank with Techron gas now.
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