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07-27-2009, 08:02 AM | #1 |
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Z4 - Clunk when change from second to third?
Hi,
I have a 2004 Z4 2.2, 102k. Over the past few months I have noticed a clunk when I change from second to third, sounds like it is coming from the rear but can not be too sure. Could this be a clutch or a transmission problem?? I am a concerned as I do not want to continue driving if I am damaging the car. Also, I am slightly concerned in getting ripped off? Any suggestions would be great along with recommendations of a decent mechanic in the Cardiff area (Wales not California). Thanks in advance. Last edited by Prodigy_1978; 09-10-2009 at 06:57 AM.. |
08-30-2009, 03:19 PM | #2 |
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Drives: 2007 Z4 3.0si Coupe
Join Date: Mar 2009
Location: Mineral, VA
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Prodigy,
See my thread at http://www.zpost.com/forums/showthread.php?p=5783602. I experienced this same clunk much earlier. Sounds like you are out of warranty, but a good transmission shop or independent BMW service center should be able to help you diagnose the problem. Cheers, DarKWing |
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09-04-2009, 02:17 PM | #3 |
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Cheers 'Dark Wing'. I have my Inspection service due soon, so will have to ask the garage to take a look. Hopefully nothing too expensive.
Last edited by Prodigy_1978; 09-10-2009 at 06:57 AM.. |
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09-07-2009, 08:18 PM | #4 |
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Hey, I've had the exact same problems lately, but mine was mainly from 1st to 2nd.
It turns out the differential bushings were shot. Thankfully its not a HUGE ticket item to replace them, however with them being shot, that killed my main driveshaft support bearing. Unfortunatley this was a $800 item, over and above the $300 the rear differential bushings. So thankfully you caught the problem early before it ruined other components within the car.
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09-10-2009, 06:53 AM | #5 |
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Cheers Graham M. There is a slight clunk from 1st to secong, but second to third clunks the most. I am considering booking the car into my small local garage and ask him to quote me for replacing the rear diff bushes. I just hope he knows how to do the work, I don't fancy paying main dealer prices!
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05-05-2010, 06:04 PM | #6 |
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Specifically
Hey, my '04 has a similar problem that I've been trying to ferret out. The guys in the e46 forum have a pretty good thread going on this which suggests the bushings (also include some good DIY's). Anyway, what kind of sound are you guys hearing? Is it like a dull thud or a clank? Mine sounds like a muted bell being struck, or like a pot being struck lightly in the center.
Some people with our driveline on the e46 forum describe it as a basketball loose in the trunk. I'm just trying to nail this down. Thanks Patrick |
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05-05-2010, 07:39 PM | #7 |
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Mine was the rear diffrential bushing. it was shot to hell, not much to replace parts wise, but the labor was brutal. I also just replaced my main driveline support bearing (may be inter-related) and later a transmission rubber mount. That and a new clutch... so $2k later, that had better be the last of any driveline related problems
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