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#1
12-28-2010, 10:13 AM
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PART 2 Video - Weird engine noise
Hey guys.
On one cold night i decided to a take a little drive around since i barely drive my x5. So as soon as i turn on the car, i heard weird noise coming from the engine (either not engine) and few second later car almost like turned off by it self, but was able to keep up. I am not sure if its normal or not, but something tells me its not. A made a little video so please watch and listen carefully to the engine sound It starts on 2:25  YouTube - X5 noise I dont want to sound too dummy but my guess - water pump, bad coil, spark plug and last one alternator is failing (m5james opinion,thanks  ) I am planning to drive up to Big Bear lake , and not sure if it is a good idea  Thank you very much guys ------------UPDATE ----------- First suggestion i followed is to fill up the tank , so i did ,,, didnt feel the difference though. and this time you could hear the noise as soon as i turn on the car !!! PLEASE LISTEN carefully !!!!! YouTube - X5 noise - part2 Last edited by Pisendar; 01-04-2011 at 06:31 AM. 
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#3
12-28-2010, 08:22 PM
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hi, to me it chokes in the moment when a secondary injection pump quits,
I heard a metal tapping noise in that moment,is that what you're concerned about? Otherwise I hear just a squeaking and Vanos noise.Mine is 4.4i and Vanos sounds the same as yours,no squeaks here though. The tapping noise like that I heard only once when my e36 318 was overheating.Stuck valve?
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e53 '00 4.4i Oxford Green II Freshly rebuilt tranny(2nd one) and transfer case/front shaft e70 '08 3.0si Sapphire Black cinnamon leather 7 seats e61 '06 530XI Sports Touring Silver - SOLD
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#4
12-30-2010, 01:04 AM
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Quote:
and yes metal noise that i am concern about, and i am not really famiiar with vanos noise, is that bad ? stuck valve i even wont be able to check myself
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#5
12-30-2010, 01:14 PM
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Quote:
and yes metal noise that i am concern about, I see,does it do it constantly or it was the first time? and i am not really famiiar with vanos noise, is that bad ? VANOS rattle is a common thing,not sure if it's normal,mine disappears after a long Highway speeds drive,I am planning to get a thicker oil and check if it helps a bit to reduce the noise,but it doesn't really bother me. stuck valve i even wont be able to check myself It was just a guess,I would recommend you to chime Weasel or Killcrap on this board,and ask for their opinion.As I said I had it only once and it was my old(sold  ) e36 318i when it was overheating(cracked head and engine swap afterward),it would come and go then come and go again.But I am not a specialist,so don't take it as a diagnosis for your problem.
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e53 '00 4.4i Oxford Green II Freshly rebuilt tranny(2nd one) and transfer case/front shaft e70 '08 3.0si Sapphire Black cinnamon leather 7 seats e61 '06 530XI Sports Touring Silver - SOLD
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#6
12-31-2010, 09:41 PM
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Quote:
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#9
12-31-2010, 09:32 PM
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That's the first thing I noticed . Cold weather means there is more moisture in the gas. You let that tank run that low, all sorts of bad stuff try to get into your engine. I shutter when I get below half, in the winter those gas tanks stay above 3/4. Maybe just me being weird. I cleaned my engine with P21s All purpose cleaner; engine looked fantastic!!! belt started to squeek ever so slightly. Took me a few days to narrow it down. Baby powder on it and all is well now.
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'03 Black BMW E53 3.0i 110,000+ miles '03 Black Mercedes-Benz W211 125,000+ miles '13 White Mercedes-Benz W2o4 New 
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