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Old 18th May 2009, 12:15   #1
DezUk
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BMW 330Ci oil light just came on?

Just driving back to work from my lunch and noticed the orange oil light came on. I am assuming this is related to the car needing an oil service. When I turn the ignition the dash says oil service 475 miles, so thatís gonna need doing real soon.

Am I right or is the oil light something more serious to be worrying about?

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Old 18th May 2009, 12:16   #2
Phil W
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Check the oil level?

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ST
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Old 18th May 2009, 12:18   #3
Janesy B
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When is the last time you actually checked the oil?
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Old 18th May 2009, 12:56   #4
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Check the oil level?
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Old 18th May 2009, 12:58   #5
DezUk
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From reading a few forum posts sounds like its either low oil level or the oil sensor is broken. I am gonna nip out and check the oil levels but I am sure it will be linked to needing an oils service shortly.


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Old 18th May 2009, 13:01   #6
Matt82
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typically it will mean low oil pressure which is typically bad bad news
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Old 18th May 2009, 13:02   #7
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From reading a few forum posts sounds like its either low oil level or the oil sensor is broken. I am gonna nip out and check the oil levels but I am sure it will be linked to needing an oils service shortly.
Its almost certainly because it needs some oil

///M135i
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Old 18th May 2009, 13:04   #8
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As has been said, chances are its gotten so low it's lost pressure (going around a corner or something)

This can be very bad news, if its the case get it topped up ASAP, preferably without driving it again
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Old 18th May 2009, 13:12   #9
happy_2008
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Its almost certainly because it needs some oil
Could be more serious and looking at possible engine failure
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Old 18th May 2009, 13:13   #10
Matt82
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i once did 30 miles after forgetting to put the oil filler cap back on.

it ran the head dry and as you can imagine that tappet like a goodun. after loosing almost 2L (out of 4.3L) i still didnt get an oil pressure warning, so his oil miust be pretty damn low. the next pain in the azz is that the pump may need to be primed
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Old 18th May 2009, 13:21   #11
Wicksta
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typically it will mean low oil pressure which is typically bad bad news
It means low (minimum) oil level on a 330ci. Red is no oil pressure, he's quite a way off that yet.
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Old 18th May 2009, 13:25   #12
Matt82
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cool, how does it detect low oil level?
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Old 18th May 2009, 13:27   #13
Wicksta
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cool, how does it detect low oil level?
It's got a sensor which can tell the level. My Z4 doesn't have a dipstick at all I don't think.
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Old 18th May 2009, 13:29   #14
Janesy B
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Why do people do this? Drive around in an expensive car and then don't bother to check the oil levels every so often. If it's low then you should be kicking yourself.
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Old 18th May 2009, 13:31   #15
Matt82
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It's got a sensor which can tell the level. My Z4 doesn't have a dipstick at all I don't think.
what does the sensor sense as the oil level will all over the place whilst the engine is running?
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Old 18th May 2009, 13:32   #16
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Why do people do this? Drive around in an expensive car and then don't bother to check the oil levels every so often. If it's low then you should be kicking yourself.
because its an expensive car, they have pay X amount for it so it shuoldnt need looking after other than driving it to the dealer every X number of miles.

its not the dont thing to get under the bonnet yknow
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Old 18th May 2009, 13:38   #17
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what does the sensor sense as the oil level will all over the place whilst the engine is running?
I'm guessing it compensates for the engine running, as mine came on while driving before.

Here is a pic of the part and where it is mounted:
http://forum.e46fanatics.com/showthread.php?t=600818
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Old 18th May 2009, 13:41   #18
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I believe it means it's a write off?
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Old 18th May 2009, 13:46   #19
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Cheaper cars I've seen with it (read Clios) just read it when you turn the igniton on...
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Old 18th May 2009, 13:52   #20
Matt82
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yeah, like my old 406 diesel used to and the link to the e46 site said that was a cure for the light staying on the a few seconds after you started up, ie the only time oil level would be half accurate after starting.

those BMWs are clever things
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Old 18th May 2009, 14:18   #21
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I havent been out to the car park to check the oil level just yet, will do it when I am leaving. But i did call BMW and asked them the price on an oil service, £160 which seems steep for what it is. So i asked what type of oil is used and was told 0W30 Synthetic, so i might try and source some of this myself to keep costs down. Any brand in particular i should be aiming towards?


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Old 18th May 2009, 14:34   #22
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Just lol. Scrap it and get a new one.

Mine is several thousand away from an oil change so cannot advise if it comes on when it's due (although handbook indicates a spanner will appear when it's due) however I would suggest checking the oil level and filling as necessary. Could be a faulty sensor or just simply needs more oil.

£160 doesn't sound that rediculous depending on what type of oil service it is.

and you should check your oil level after a journey that has warmed the engine up and left it 10-15 minutes to cool, not when the engine is cold.

Last edited by anticonscience; 18th May 2009 at 14:41.
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Old 18th May 2009, 14:36   #23
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I havent been out to the car park to check the oil level just yet, will do it when I am leaving. But i did call BMW and asked them the price on an oil service, £160 which seems steep for what it is. So i asked what type of oil is used and was told 0W30 Synthetic, so i might try and source some of this myself to keep costs down. Any brand in particular i should be aiming towards?
Olivio is good, low saturates.
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Old 18th May 2009, 14:42   #24
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Olivio is good, low saturates.
I heard mamma likes crisp 'n dry.

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Old 18th May 2009, 14:59   #25
[TW]Fox
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It means low (minimum) oil level on a 330ci. Red is no oil pressure, he's quite a way off that yet.
This. I love how half the people on OcUK will offer advise even though they've got absolutely no idea how the car in question actually operates. It does not mean low oil pressure.

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what does the sensor sense as the oil level will all over the place whilst the engine is running?
It is a thermical oil level sensor which calculates the volume of oil in the sump.

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Old 18th May 2009, 15:47   #26
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This. I love how half the people on OcUK will offer advise even though they've got absolutely no idea how the car in question actually operates.
I think it's quite amazing someone will pay a lot of money for a premium brand car and not bother to even look at the owners hand book (or even bother checking oil level on a regular basis).
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Old 18th May 2009, 16:06   #27
anticonscience
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I think it's quite amazing someone will pay a lot of money for a premium brand car and not bother to even look at the owners hand book (or even bother checking oil level on a regular basis).
lol, my thoughts exactly, I read the owners manual of my 330i from cover to cover when I got mine.

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Old 18th May 2009, 16:26   #28
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I think it's quite amazing someone will pay a lot of money for a premium brand car and not bother to even look at the owners hand book (or even bother checking oil level on a regular basis).
I quite agree. Amusingly there is a page in the handbook which explains EXACTLY:

a) How to check the oil
b) What the various oil lights mean

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Old 18th May 2009, 16:28   #29
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I think it's quite amazing someone will pay a lot of money for a premium brand car and not bother to even look at the owners hand book (or even bother checking oil level on a regular basis).
Not knowing what the light does is a bit silly, but there is really no need to be doing the dirty task of manually checking oil levels in a car with oil sensors which does not leak or burn oil.

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Old 18th May 2009, 16:36   #30
mr tommo
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Dude check your manual. There are different explanations for the oil light and different scenarios mean different thing. Yellow light while driving - Top up oil ASAP. Yellow light appears when ignition is turned off - Top up withing 50 miles..Etc etc.

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