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      12-03-2011, 12:49 PM   #1
big_al
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loosing oil... wallet ache worry!

I noticed the oil level had dropped below the low level on the meter.... so I fed it a litre, no movement... gave it a bit more, so on and so on... no movement on the meter. Started to worry about a faulty sender unit or something, didn't want to overfill so called BM stealer and they told me I should get a control message to indicate low level... when 1litre off the low mark (only a low fuel marker in the control messages). Then a mechanic mate turned up so I told him the story, he looked around the engine, then noticed oil in the exhaust pipes

Couple of blips on the throttle confirmed its blowing oil out the exhaust... taking it to my BM Stealer on monday to get the bad news. Any suggestions towards it NOT being a serious engine/wallet breaking problem; much appreciated.
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      12-03-2011, 12:57 PM   #2
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What year's the car? Warranty? If that stuffs still in tact then why you worried bro. Unless you're supercharged or gotta tune to worry about.
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      12-03-2011, 01:04 PM   #3
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Quote:
Originally Posted by BMW Fanatic View Post
What year's the car? Warranty? If that stuffs still in tact then why you worried bro. Unless you're supercharged or gotta tune to worry about.
Piston rings are a decently cheap fix. Cracked block is more expensive but very unlikely. I bet its not so bad. A lot of little leaky things or worn things can cause this. My bet is on the piston rings or seals. good luck!
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      12-03-2011, 01:04 PM   #4
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2007 - out of warranty!
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      12-03-2011, 02:21 PM   #5
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How much oil did u add when the message came up?
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      12-03-2011, 06:47 PM   #6
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There was no message... so when I got to adding over a litre (bearing in mind the stealers advise), alarm bells started to ring... can you trust an electronic meter... I don't think so.

There is no dipstick... right?
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      12-03-2011, 06:52 PM   #7
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Quote:
Originally Posted by big_al View Post
There was no message... so when I got to adding over a litre (bearing in mind the stealers advise), alarm bells started to ring... can you trust an electronic meter... I don't think so.

There is no dipstick... right?
No dipstick
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      12-03-2011, 07:20 PM   #8
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I think you overfilled it. The PCV system is probably pulling a lot of oil into the intake system and whats not being burnt (does it smoke at all?) is coming out of the exhaust. I don't believe that you've done any damage but, if it were me, I'd want to clean all of that oil out of the intake tract. If you pull the intake tube off of the plenum and it's oily, you'll have your answer.
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      12-03-2011, 08:03 PM   #9
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      12-03-2011, 08:45 PM   #10
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You can not just add oil and expect an instantaneous change to your oil level readout. After adding oil you must drive around and let the sensor calculate the new oil level. Looks like you've over filled it.

From the owners manual:

Checking oil level
Your car is equipped with an electronic oil level
monitor.
The oil level can be displayed when the engine
is warm. Continuous short distance travel or a
very sporty driving style may make measurement
impossible.
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