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Old 01-24-2009, 06:00 AM   #1
kogsundiam
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Manual Transmission Clunking Noise HELP!

hi guys,
im new to this forum.

I have a 2003 BMW 316i - 5 speed manual transmission - 50,000kms mileage.

My Problem, everytime i go in to first or second gear shifting with a little step on accelerator pedal and even reverse in cold engine with a little press on accelerator pedal i get clunking sound outside the car -under the transmission, and sometimes when i turn off the engine without pressing the cluth pedal,i hear clunking sound also,but when i pressed the pedal steady and turn the engine off, i hear NO clunking sound on the area where i hear the sound.

Driving the car for 5 minutes, the clunking sound on the reverse is gone/sometimes mild sound while reversing.
Driving the Car for 5 minutes, the clunking sound on the 1st gear shifting to 2nd gear also is, the sound is very low or sometimes clunking sound is gone, i have no idea what is going on.

Hearing the sound while reversing:
Ex: i am reversing my car, i am pressing the cluth pedal with a little press on the accelerator just to make the car move, i hear a clunking sound when i release the cluth pedal while pressing the gas pedal. (sometimes sound is gone when engine/transmission is hot.)

Hearing the sound on 1st gear shift and 2nd gear shift:
Ex: i am driving my car, i am pressing the cluth pedal with a little press on the accelerator on 1st gear , i hear a clunking sound when shifting from 1st gear to 2nd gear, ihear a clunking sound also when releasing 2nd gear shift going to 3rd. 3rd gear above is ok-no problem.


Btw: Shifting 1st to 5th gear is great! no sliding or no grinding sound!

any ideas? is this normal or what? it keeps bothering me. my first time to have a euro car.


thanks.

kogs

Last edited by kogsundiam; 01-24-2009 at 06:17 AM. Reason: add ons
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Old 01-24-2009, 06:11 AM   #2
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It's not normal for any clunks. Go see a mechanic. My guess is something is bent or a rubber bush is worn out.
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Old 01-24-2009, 06:19 AM   #3
kogsundiam
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@ goingnuts: i have a similar problem with this link.

http://forum.e46fanatics.com/showthread.php?t=475850
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Old 01-24-2009, 10:31 AM   #4
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any?
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Old 01-24-2009, 10:29 PM   #5
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Old 01-26-2009, 04:11 AM   #6
kogsundiam
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anyone can help?
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Old 01-26-2009, 09:07 AM   #7
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i have the same problem. I have to be very gentle with clutch otherwise i will hear the terrifiying clunking noise. And it definitely happens more often when it is raining.
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Old 01-26-2009, 02:03 PM   #8
kogsundiam
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Originally Posted by sl_e46_ci View Post
i have the same problem. I have to be very gentle with clutch otherwise i will hear the terrifiying clunking noise. And it definitely happens more often when it is raining.

is this normal? i went to a bmw shop and ask them to open the transmission and check if there is a problem inside, they did open it and they sal all gears on the gear box are ok, the cluth etc are also ok.

any ideas? is this normal or what? it keeps me bothering!
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Old 01-26-2009, 02:04 PM   #9
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In my experience the responses I've seen about this issue sums up to: it happens with our cars. I'll be looking around for more answers though.
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Old 01-26-2009, 02:06 PM   #10
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Quote:
Originally Posted by kogsundiam View Post
is this normal? i went to a bmw shop and ask them to open the transmission and check if there is a problem inside, they did open it and they sal all gears on the gear box are ok, the cluth etc are also ok.

any ideas? is this normal or what? it keeps me bothering!
maybe tranny mount bushings!
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Old 01-26-2009, 02:55 PM   #11
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Old 01-26-2009, 03:39 PM   #12
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I say, if the bushing are worn then replace them...

bushing are suppose to support the tranny so the sudden shift do not exaggerrate, so its not just an annoying sound. it can get worse beyond that.
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Old 01-27-2009, 01:50 PM   #13
sl_e46_ci
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Originally Posted by kogsundiam View Post
is this normal? i went to a bmw shop and ask them to open the transmission and check if there is a problem inside, they did open it and they sal all gears on the gear box are ok, the cluth etc are also ok.

any ideas? is this normal or what? it keeps me bothering!

I dont know...I've had the problem for a while and have asked the dealership to take a look it...and their response was "everything looked ok and we couldn't reproduced the problem", I guess either they are really dumb or they are just trying to delay it until my warranty expires. It is definitely annoying though.
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Old 01-27-2009, 06:19 PM   #14
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yes. i do always read the threads here and i dont see any solutions yet, oh my. please keep me posted. thanks
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Old 01-27-2009, 06:32 PM   #15
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Worn differential bushing(s).
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Old 01-27-2009, 06:41 PM   #16
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Old 01-28-2009, 01:59 AM   #17
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about the clunking sound, mine is not only a single clunk. it is a fast clunk clunk clunk. anyone here has the same problems like me?

about the differential bushing.. which part of the bushing that needs to replace?
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Old 01-28-2009, 02:04 AM   #18
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check your guibo ...
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Old 01-28-2009, 02:37 AM   #19
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ok

Last edited by kogsundiam; 01-28-2009 at 04:18 AM.
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Old 01-28-2009, 02:38 AM   #20
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check your guibo ...
I saw your sig today when I was sitting on campus and I started laughing out loud and people looked at me like I was a freak.
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