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03-08-2011, 06:38 PM | #1 |
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Service Indicator Mileage not counting down
I searched, couldn't find anything on this topic. I just had my 1200 mile service. The mileage in the instrument cluster was reset and is now reading 15,000 and a date for the next service. I have driven about 200 miles since that service and the indicator is still showing 15,000 miles until next service. It's not counting down the mileage as I drive.
This is not normal right? My E90 sedan and all my previous E46's always counted down. |
03-09-2011, 06:15 PM | #3 |
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03-09-2011, 06:50 PM | #4 |
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sorry it goes by 100 miles not 1k...
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03-09-2011, 07:04 PM | #5 |
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It takes your driving style into account as well. Go and do some spirited driving the next couple of days and you'll see it move. Remember, it's monitoring the oil....if you putt around town on a clear sunny day, your oil isn't getting too dirty or breaking down much.......Phil
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03-09-2011, 09:10 PM | #6 | |
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Yeah I've got near 400 miles now since the service, still showing 15,000 every time I start the car.
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03-09-2011, 09:39 PM | #7 | |
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03-10-2011, 10:16 AM | #8 |
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opppps ok i waited for mine to change and it used to be 9000 left before change oil it doesnt seem to change until i hit the 1k mark then it will drop to 8000 before the oil change... id ont know but i hope someone can chime in...
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03-10-2011, 10:51 AM | #9 |
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How does the oil service indicator count down with low miles?
eg, if I did 4k miles per year, will the indicator count down the time over 2 years and flag up for a service at 8k? or is it purely dependant on how the car is driven as with the e46 which counts down over the use of 500 gallons between services. |
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03-12-2011, 12:17 PM | #10 |
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It does NOT monitor crap buddy . There's no oil condition sensor (there're quite expensive, and only monitor oil viscosity on some big rigs); it's just an algorithm, like all other cars. Reset it at any point and it'd go another 15K miles . And as all such algorithms, it starts to count down slow initially, and quicker when you approach zero.
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03-12-2011, 12:49 PM | #11 | |
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My car has never gone the full 15k before it told me to change it - because I drive it hard...most days. |
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03-12-2011, 02:57 PM | #12 | |
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03-14-2011, 11:40 PM | #13 |
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I suggest you educate yourself before posting such nonsense (stating facts based on something you remember reading). I dare you to find the non-existent sensor you're talking about (have fun finding it ). If there was such a sensor, you wouldn't have to reset anything after changing the oil. What you probably remember reading was what BMW calls 'condition based service', which is the algorithm that ESTIMATES when mechanical components need service. Signing off this thread for obvious reasons .
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03-15-2011, 12:24 AM | #14 | |
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GregW already linked you the pdf in another thread: http://www.m3post.com/forums/showthread.php?t=301654 The sensor is the same sensor that measure oil temp and level...it is an all in one. If that document isn't accurate, then we should remove it from the site don't you think? Here is an excerpt for you: The oil condition sensor measures the following variables: Engine oil temperature Oil level Engine oil quality ...and another: The oil condition sensor consists of 2 cylindrical condensers. The condensers are mounted above one another. 2 metal tubes are inserted one into the other to serve as electrodes. The engine oil is used as a dielectric medium between the electrodes. Note! Explanation of the terms 'dielectric' and 'permittivity'. A dielectric is defined as a non-conductive material in an electrical field. The electrical field is split by an insulator. The permittivity (Latin: permittere = permit, let through) is also referred to as the dielectric conductance. The permittivity specifies the degree to which materials allow electrical fields to pass. The factor indicates by how much the voltage at a capacitor drops when a dielectric, non-conducting material is arranged between the capacitor plates. Like I said in my previous post, it may not be as advanced as you would like, but it is an input into the algorithm of determining when your oil needs to be changed. |
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03-15-2011, 07:02 AM | #15 |
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^^^ How dare you confuse people with facts.....
OP as the others mentioned it does count down. Having said that, I had a glitch with mine and it did not count down at all after the break in oil service. Had to go back to the dealer and they fixed it (I had put on about 8000 KM's). Haven't had an issue since. |
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03-20-2011, 09:46 PM | #16 |
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Same problem
I have experienced the same problem as you do, i drive E90 2005. I just bought it last month and my service indicator stay idle on 7000km ... i've driven it for almost 3500km and the service indicator still stay on 7000km.
Then i got problem with my oil level sensor which asking for oil top up again and again (although i checked there is no oil leak anywhere and i did top up when the computer said so). I went to the dealer and they had my oil level sensor replaced. When i ask them about the idle service indicator, they said that it is because of my oil level sensor is malfunctioning then the service indicator did not counting down. But after i replace it, i drove my car for more than 200km, yet it still stay on the 7000km!! Anyone have the suggestion or an answer to our problem? Thanks |
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03-22-2011, 10:50 AM | #17 | |
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Likewise, if you had the car serviced with low quality 10w30 oil (in theory) would the service indicator call for an early oil change? |
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03-22-2011, 10:51 PM | #18 | ||
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03-22-2011, 11:41 PM | #19 | |
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I'm off this thread for good now, as I'm putting you in my ignore list, so won't read any of this crap by accident again. You should write a novel man. Good day. |
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03-23-2011, 08:14 AM | #20 |
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I found out something interesting after my last dealer oil change. The display you get at startup is the distance to your next service not necessarily your next oil change.
Right after my oil change the display read 9000 miles which I thought was a bit odd. If you go into the iDrive menu and look for Info Sources and then Car Info (this is on an '08, not sure where it would be on newer iDrives) you can get a listing of the service items such as brake fluid, front brakes, rear brakes and oil change. They will probably list a green check mark next to them. If you scroll through them though it will list the actual mileage to the next service. In my case the front brakes were due in 9000 miles. Oil was at the standard 14000 miles. So basically the startup display will show the lowest number. That was last fall and it has only gone down to 8000 miles since then but I'm a lot easier on the brakes in the winter. As for the mysterious oil sensor, I do remember a thread a while ago about this and I don't know if there was ever an explanation for what it actually does. All I know is that I do mid-interval oil changes and the countdown for the oil service doesn't change that I can tell before and after the change. My only guess is that it might speed up the countdown if it senses something funny (like metal) in the oil. But that is only a guess. |
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03-23-2011, 08:40 AM | #21 | |
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There is a pdf on this site, linked above through another post that explains how the oil condition sensor works. All you have to do to find it directly is use the google search function for "oil condition sensor". |
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03-23-2011, 06:25 PM | #22 |
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I am assuming it's still based on the very simple method that was used in the e46. It simply measured fuel usage. Nothing more scientific, just the use of 500 gallons.
The harder you drive the quicker the next service due to high fuel consumption. Simple |
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