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X3 E83 (2004 - 2010)
Talk about the E83 BMW X3 in this forum!

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  #1  
Old 04-20-2013, 09:23 PM
Boyar1 Boyar1 is offline
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Location: san diego
 
Join Date: Apr 2013
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Mein Auto: 2005 x3
Oil light x3 2005 80 k miles

My oil light is coming on after I turn off the car for about 3 seconds (yellow, not the red). I had the oil changed about 3k miles ago and the level seems fine. Anyone have any ideas. Thank you very much.
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  #2  
Old 04-21-2013, 03:01 PM
dukedkt442 dukedkt442 is offline
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Location: Upstate, NY
 
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Mein Auto: 08 E83; 97 MKIII; 84 GMC
The sensors on the M54 are notoriously sensitive, and fail-prone. If the crankcase pretty much does not have exactly 6.9qts in it, the light may come on. Also, the sensor itself often goes bad and needs to be changed at your next oil change.

I'm assuming you have the M54 in yours.
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  #3  
Old 04-22-2013, 08:06 AM
UncleJ UncleJ is offline
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Mein Auto: '06 X3
Thank your lucky stars you still have a dipstick so you KNOW your oil level is fine in spite of what the sensor says. Unlike those folks from '07 on who have to depend on the gauges.
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  #4  
Old 04-23-2013, 09:11 AM
timarnold timarnold is online now
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Mein Auto: 2003 bmw 525i
On my 2003 525i, (pretty much same engine & electronics), once the low oil sensor activates, I will get a check oil level message everytime I turn the car off. If I disconnect the battery for 30 seconds, I no longer receive the indication. Might be worth a try..
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  #5  
Old 04-23-2013, 11:39 AM
nightmareuki nightmareuki is offline
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Mein Auto: X3
Quote:
Originally Posted by timarnold View Post
On my 2003 525i, (pretty much same engine & electronics), once the low oil sensor activates, I will get a check oil level message everytime I turn the car off. If I disconnect the battery for 30 seconds, I no longer receive the indication. Might be worth a try..
dont do this, ECU needs to have juice all the time
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  #6  
Old 04-23-2013, 02:28 PM
camaroguy camaroguy is offline
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Mein Auto: '07 550i Sport, '07 X3
Quote:
Originally Posted by nightmareuki View Post
dont do this, ECU needs to have juice all the time
Can you explain this? There are many repairs that recommend disconnecting the battery first to mitigate the risk of electrical issues during the repair.
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  #7  
Old 04-23-2013, 03:06 PM
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X3emist X3emist is offline
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Mein Auto: 06 X3 Sport
Not true

Quote:
Originally Posted by nightmareuki View Post
dont do this, ECU needs to have juice all the time
Not on this old of a BMW.
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  #8  
Old 04-23-2013, 05:43 PM
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sixspeedz sixspeedz is offline
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Mein Auto: 2004 X3 3.0i, 6 Speed MT
Sounds like it's probably a sensor gone bad... The dipstick doesn't lie

They also could have forgotten to put a gasket on the drain valve when they put it back in. Just happened to me and i was dripping oil very lightly apparently until the next oil change (bought it used from the dealer this way, nice one guys!)
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  #9  
Old 04-23-2013, 06:23 PM
timarnold timarnold is online now
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Mein Auto: 2003 bmw 525i
It's simply not true that the ECU needs current at all times. If that was the case, it would be impossible to change batteries. What will happen is you will have to reset you clock. The Long Term Fuel Trim will also be reset. Nothing bad will happen, but at the end of the day, it is your vehicle and you should do what you believe is for the best.
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