11-25-2016, 09:51 AM | #1 |
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11-25-2016, 03:07 PM | #2 |
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BMWs have more ticks than a coon hound. When you pull the oil fill cover off you can hear the valves. You'd have to compare it to another to determine of it's out of the ordinary.
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11-25-2016, 06:14 PM | #3 |
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if your engine is in good shape, the only ticking sound you would really ever hear is the fuel injectors. as for the one in this video, excuse my french but your engine sounds f*cked.
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11-25-2016, 07:39 PM | #5 |
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11-25-2016, 07:41 PM | #6 |
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Any chance you can take a quick video of the noise when you take off oil filler?
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11-25-2016, 07:53 PM | #7 |
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Thats exactly why I posted to see if anyone could post a vid of their N55.....
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11-25-2016, 08:36 PM | #8 |
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My n55 definitely doesn't sound like that with the cap off. Christ...sounds like it's low on oil
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11-26-2016, 10:11 AM | #11 | |
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Don't accept the first comment from the dealer that the sound is normal. Ask SA to speak with BMW NA about performing oil analysis to detect metal particles (above the norm). |
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11-26-2016, 12:21 PM | #12 | |
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Uhhhh OK. I'd say take to the dealer before that ticking bomb under the oil cap goes off.
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11-27-2016, 11:18 AM | #13 | |
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This noise seems to be very common amongst N55's, with many reports of people taking it in to the dealer and being noted as "normal.' There are other reports of people thinking it is vanos bolt issues, rod knock, lifters, etc. However I can only find one documented case of an engine being replaced due to bad rod bearings. Does this mean that all of the people that have this noise are doomed? http://www.e90post.com/forums/showth...=588939&page=2 http://www.bimmerforums.com/forum/sh...-inside-engine http://www.e90post.com/forums/showthread.php?t=660859 |
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11-27-2016, 11:27 AM | #14 |
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Sounds just like my n55....nice and quiet. Not like OP'S vid
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11-27-2016, 11:27 AM | #15 | |
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11-27-2016, 01:39 PM | #18 | |
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Might also help to note the mileage that's on the engine. I'm only at 14.5K on a 2015 model. Oil is BMW synthetic and has been changed twice. (and will be again at 17K)
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11-27-2016, 03:52 PM | #19 | |
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We had lots of discussion in the UK on a similar noise with the M47/57 diesel engines. Nothing wrong at all, simply the echo from the pump, as it was mounted on the front of a cam shaft, just ahead of the filler cap. A bit like a quacking duck in the diesel. There are videos of the diesel sound track, it is very similar to the sound on some N55 engines. Vacuum pump is lower down, so sound will be a bit deeper. I'll have to listen to my N55 when I've got it running, as I did with my M57 diesel. I had the same sound as other diesel users, with the filler cap off, nothing wrong with the engine. |
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11-27-2016, 03:59 PM | #20 |
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I've just listened to the OP's video and one for a 335d. I hear the same sound source.
The diesel is definitely the vacuum pump. |
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11-28-2016, 10:59 AM | #21 |
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11-29-2016, 05:15 AM | #22 | |
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Will listen to my engine when I get home. |
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