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      08-15-2018, 08:13 AM   #1
ZANDERZA
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Is this knock ?

Hi Guys
Have a 2014 F10 M5 with 18000mls and it recently started making this sound. Sounds like a knocking sound or something being loose. Took it to the dealer and they say its normal. Sounds suspiciously like rod know to me ? The car is stock standard,still under motorplan and not tracked etc

https://youtu.be/7_7YwyYcjF4

https://youtu.be/oT402WTOJHU
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      08-15-2018, 10:04 AM   #2
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Don't know what it is, but I can definitely it knocking.
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      08-15-2018, 01:22 PM   #3
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I seriously hope this is not a big deal, mine makes a very similar noise but i dont hear it all the time. My car is stock and on 39k.
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      08-15-2018, 07:43 PM   #4
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I had similar noises, it turned out to be timing chain issue. It’s at a BMW dealership being fixed.
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      08-16-2018, 10:35 AM   #5
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I have the same thing it's normal I have asked about it before
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      08-22-2018, 10:27 AM   #6
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Timing chain issue. Where do you get that. I want know?

This is normal noice and it’s not engine. Transmission oil line and pump sometimes makes that noice. Don’t worry. 👍🏻
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      11-05-2018, 11:13 AM   #7
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Thanks guys. Anyone else have experience with this as well?
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      11-20-2018, 04:46 AM   #8
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Quote:
Originally Posted by finlandm5f10 View Post
Timing chain issue. Where do you get that. I want know?

This is normal noice and it’s not engine. Transmission oil line and pump sometimes makes that noice. Don’t worry. 👍🏻
What can be done to remedy this? I understand that its nothing to worry about, but its hella irritating.
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      11-20-2018, 05:18 AM   #9
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I would suggest an engine oil flush, that's draining your old oil out and filling with special flushing oil and running at tick over ONLY,for 5 or so minutes then draining and refilling with 9.5 litres of Castrol 0-30 Edge together with the new o/filter(just what I use).
It should be fine but check the sealing security of your air filter enclosures and the air filters themselves if they're in good shape, the a/f enclosures are fiddly to screw back together and any unchecked gap could cause problems.
Good luck.
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      11-20-2018, 06:51 AM   #10
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Quote:
Originally Posted by M5theonlyone View Post
I would suggest an engine oil flush, that's draining your old oil out and filling with special flushing oil and running at tick over ONLY,for 5 or so minutes then draining and refilling with 9.5 litres of Castrol 0-30 Edge together with the new o/filter(just what I use).
It should be fine but check the sealing security of your air filter enclosures and the air filters themselves if they're in good shape, the a/f enclosures are fiddly to screw back together and any unchecked gap could cause problems.
Good luck.
Thanks. I have already done an oil service through the dealer using their TT 5W-30 oil. I have also done an oil analysis of the old oil with no issues to report. I am leaning more toward what @FinlandM5F10 is saying that it has to do with the transmission.
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      11-20-2018, 12:21 PM   #11
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I heard it, video has gone now but if it is a pump pushing the ATF oil then there sure is a problem there with the racket it was making,it just wasn't right.Mine is silent as a lamb.
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      11-20-2018, 02:06 PM   #12
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Quote:
Originally Posted by M5theonlyone View Post
I heard it, video has gone now but if it is a pump pushing the ATF oil then there sure is a problem there with the racket it was making,it just wasn't right.Mine is silent as a lamb.

ATF???????????????

Sounds is absolutely NORMAL!!
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      11-20-2018, 04:54 PM   #13
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Quote:
Originally Posted by finlandm5f10 View Post
ATF???????????????

Sounds is absolutely NORMAL!!
Not to me it doesn't and what's with all the ? Don't get worked up with me pal.
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      11-21-2018, 03:12 AM   #14
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Sorry guys,
I just realized the videos were offline

Here they are again




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      11-21-2018, 03:37 AM   #15
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Quote:
Originally Posted by buzz92 View Post
Heard the same issue before. Definitely have your timing chain checked.
I agree.
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      11-21-2018, 05:02 AM   #16
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Does the noise change from when the car is first started for the day to when the engines up to temp? It's tough with a video to get the sound across, if there was an issue it sounds valve train related.
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      11-21-2018, 05:09 AM   #17
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No ,the sound stays there regardless of whether its cold or on operating temp. I must add that the noise is only audible when stationary. If the you let of the brake and let the vehicle just "creep" forward the noise goes away. The moment you depress the brake again and stand still you can hear it again.
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      11-21-2018, 05:41 AM   #18
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Ok I pressume its a DCT 'box not a manual 6 speed, what's the mileage?
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      11-21-2018, 05:45 AM   #19
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Quote:
Originally Posted by M5theonlyone View Post
Ok I pressume its a DCT 'box not a manual 6 speed, what's the mileage?
At the moment its on 33k km (20,5k miles)

Last edited by ZANDERZA; 11-21-2018 at 06:00 AM..
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      11-21-2018, 06:21 AM   #20
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Quote:
Originally Posted by M5theonlyone View Post
Right,I'm presuming it has no mods also.
No mods at all
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      11-21-2018, 07:29 PM   #21
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Quote:
Originally Posted by finlandm5f10 View Post
Timing chain issue. Where do you get that. I want know?

This is normal noice and it’s not engine. Transmission oil line and pump sometimes makes that noice. Don’t worry. 👍🏻
I was told by mechanic that specializes in M5s. Whatever dealership did it fixed that issue
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      11-24-2018, 04:19 PM   #22
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Are you test that every spargplug is tight. Sound that might be losen but still works and no CEL
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