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      06-09-2014, 02:01 PM   #23
tinman831
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Isn't rod bearing noise more of a knocking than a ticking sound?
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      06-09-2014, 02:03 PM   #24
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Quote:
Originally Posted by tinman831 View Post
Isn't rod bearing noise more of a knocking than a ticking sound?

"Even the loudest knock started w/ a tick"

---someone


but seriously, unless you spin a bearing it will progresively get louder.
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      06-09-2014, 02:29 PM   #25
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mine has the same ticking noise from time to time.. i assume it is lifters.. goes away after 2k rpms. Usually happens after the car has been sitting for a while or if I haven't redlined it in a while. Have over 15k miles on it with the ticking, it's not rod bearings.
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      06-09-2014, 03:02 PM   #26
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sounds normal time to switch to mobil 1 :P
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      06-09-2014, 03:23 PM   #27
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haha! Well it does sound louder than my 08 E92 m3 is.. so I figured you may have been right.


I'll do an oil analysis anyway.. for 25 bucks.. its nice to have a reference point for my next oil change.
Glad you have put the bearing ghost to rest ...
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      06-09-2014, 10:04 PM   #28
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If you drive with the window down and hear the tick bouncing off the sidewalks as rpm rises then it is very possible to be rod bearings.
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      06-11-2014, 12:11 AM   #29
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I had a bearing like progressive audible tick after I changed my plugs but didn't tighten them enough
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      06-14-2014, 08:06 PM   #30
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Quote:
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If you drive with the window down and hear the tick bouncing off the sidewalks as rpm rises then it is very possible to be rod bearings.
Wait what? I hear that all the time. Ticking while driving. I thought it was just the lifters? The ticking noise gets faster as the revs gets higher.... ahhhh f*@(#
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      06-14-2014, 09:23 PM   #31
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Here is an updated video.. I'll be honest... to me, it sounds like its quietening down as time goes on..

I've added comments on the video itself while it plays. Hopefully they're visible on the forum.

sounds normal to me!
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      06-14-2014, 09:43 PM   #32
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Sounds normal to me although I heard that a bone stock 08 blew to smithereens at the track today.
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      06-15-2014, 10:26 AM   #33
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That sounds normal!!

all i heard was cold start, then a normal engine. you are good!!
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      06-16-2014, 03:42 PM   #34
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I'd put my money on the exhaust leak!
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      06-16-2014, 03:57 PM   #35
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I'd put my money on the exhaust leak!
It isn't but that's normal for the m3 to sound like it has an exhaust leak.
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      06-16-2014, 05:12 PM   #36
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Quote:
Originally Posted by Dr. Anthony View Post
Here is an updated video.. I'll be honest... to me, it sounds like its quietening down as time goes on..

I've added comments on the video itself while it plays. Hopefully they're visible on the forum.
One thing for sure you have a very clean engine bay
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      06-20-2014, 12:27 AM   #37
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That's very normal. My rod bearings lunched on Saturday and it was a VERY ugly sound as the revs got higher. At idle, it sounded like the worst tapping valves you've ever heard and then turned into a rumble that made you wince as the revs went up. But that video is very normal IMO.
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