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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Ugg engine noise video inside



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      09-09-2012, 08:06 PM   #1
outriding9800
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Ugg engine noise video inside

Calling all experts what you think this is ...

http://www.youtube.com/embed/1sxu71ZmC28

The engine was hot and just drove 10 miles...

Car is a 330i with 100k bought it with 65k on it.. never had any issues (other than a stuck thermostat)...


And never had a valve train "tick"..

what do you all think..

thx

Last edited by outriding9800; 09-09-2012 at 09:25 PM. Reason: video embed
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      09-09-2012, 10:55 PM   #2
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Honestly it could be a multitude of things, but a guess of the sound would either be a connecting rod bearing or even the connecting rod its self. Doesn't sound good at all...

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      09-10-2012, 06:17 AM   #3
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Thats the sound of trading it in lol
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      09-10-2012, 07:54 AM   #4
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Yep rod is what I am thinking also. Going to slap a new (used) engine in it...

Thx for the replies (except for benzo. Lol)
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      09-10-2012, 11:46 AM   #5
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Quote:
Originally Posted by outriding9800 View Post
Yep rod is what I am thinking also. Going to slap a new (used) engine in it...

Thx for the replies (except for benzo. Lol)
Probably be cheaper to pull the old and see if it's as simple as a rod bearing. If it isn't then you can spring for the replacement motor.
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      09-24-2012, 04:09 PM   #6
outriding9800
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Just as a follow up...

It was the AC compressor..

The bottom the engine looked fine.
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      09-24-2012, 04:36 PM   #7
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That's good, here's what my suggestion would've been...

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