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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Nov-23-2010, 06:47:25 AM   #1
05e46M3
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Default HELP!!! Oil lamp yellow light.....

Hey guys, I'll cut to the chase.. recently, past couple of months or so, I would get the oil lamp light in yellow when I turn off the engine when I get home or whatever.. It doesn't light up everytime but it has come on quite a few times ever since the first.. The funny thing is Im not due for an oil change/inspection II for a few hundred miles, now only less than 100 miles and the oil lamp light is still coming back in yellow ONLY when I turn off the engine.. Anyone know what is causing this? Initially I thought it was because I needed an oil change soon but it wasn't due for one yet.. One thing I heard is that over time, these M3's eat up more oil than when they were new, don't know if that has anything to do with it. Also, I hear it is very bad to the engine if the oil lamp light is coming on while you are driving.. Any feedback would be great,! Thanks
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Old Tue, Nov-23-2010, 07:54:33 AM   #2
mickaphely
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just add more oil, our cars tend to use more oil the older they get.
it shouldn't be a big deal but you could also have a small oil leak that is just forming.
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Old Tue, Nov-23-2010, 08:16:20 AM   #3
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if the light comes on and its red, then you got something to worry about... and don't drive it!

since the light is just yellow, it is indicating that you have low oil.

first check your oil before going ahead and adding some.
if you are low, then add some.
if the oil is not low, then it could be a faulty sensor, which is a pretty easy fix. just an expensive sensor.
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Old Tue, Nov-23-2010, 10:28:54 AM   #4
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like the last 2 guy said. you probably just burned a little bit of your engine oil so its lower then the recommended level. Its not big deal, just have a spare litre in the trunk. I go through about half a litre to a full litre depending on how hard i drive the car.

Regardless of how much oil you add though, this should not alter your service schedule. So even if you just put 2 litres in, I would still follow the maintenance schedule.
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Old Tue, Nov-23-2010, 11:49:34 AM   #5
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The oil light has three different indications.

1. If red - you have lost oil pressure - STOP Immediately!

2. If it comes on yellow while driving - add oil within 30 miles - you are at the minimum oil level.

3. when you turn off the car, if it lights yellow, you are low on oil, add oil at your next gas stop.
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Old Tue, Nov-23-2010, 03:42:40 PM   #6
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My oil light comes on too occasionally after shuting off the engine. I has done it for about 3 months now. Most of the time it doesn't come on, but I've checked my oil level numberous times and it's always full.
The cause is most likely the oil level sensor is going bad. I believe it's around $90 to replace, it's at the bottom of the oil pan.
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Old Tue, Nov-23-2010, 04:03:52 PM   #7
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Just FYI, I have had the yellow oil light come on a total of 3 different times on 2 different e46 m3s, and it always happened while descending US 441 down Newfound Gap in the Great Smoky Mtns. All times, I checked the oil level and it was fine.

The long descent at constant speed must "fool" the sensor into thinking there is a low oil condition.
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Old Tue, Nov-23-2010, 04:05:15 PM   #8
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OP: Did you actually check your oil level?
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Old Tue, Nov-23-2010, 05:18:17 PM   #9
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Quote:
Originally Posted by lmtfi View Post
OP: Did you actually check your oil level?
I checked it last month and it seemed fine..
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Old Tue, Nov-23-2010, 05:23:55 PM   #10
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Quote:
Originally Posted by 05e46M3 View Post
I checked it last month and it seemed fine..
Part of the importance of checking your oil is not just the level it is currently at, but the consistency of that level over multiple checks. For instance, if it was at the max line last month, and between the middle/max line now, it does not mean everything is still O.K. because it is above the min line. And don't forget that checking the oil at a consistent oil temperature is important too..
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Discussing HELP!!! Oil lamp yellow light..... in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)