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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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Old 03-20-2005, 11:06 AM   #1 (permalink)
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HELLO MECHANICS !!!
I'M GETTING A "CLUMPING", NOISE COMING FROM THE BACK OF THE CAR, SOUNDS LIKE SOMETHING MOVING AROUND IN THE BOOT. IS IT THE WHEEL BEARINGS ??? CAN BE HEARD WHEN HITTING A POT-HOLE OR GOING OVER ROUGH SURFACES ?
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Old 03-20-2005, 01:44 PM   #2 (permalink)
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SOUNDS like the turret mounts or suspension mounts,,,,,whichever you wanna call em,,they are at the top of the suspension,,,and they mount onto the body work jack up the car and look at the top of the suspension,,,if no joy pull out the boot lining and inspect them from there if they are damaged you will be able to see the tearing of the rubber..
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Old 03-20-2005, 01:53 PM   #3 (permalink)
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is you car an 05???? because i have heard about a few people with that kind of a noise on thier bran new cars and it is the shock mounts from the factory they don't get tightened down enough.
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Old 03-22-2005, 12:40 AM   #4 (permalink)
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Quote:
Originally posted by bryan1970@Mar 20 2005, 01:53 PM
is you car an 05???? because i have heard about a few people with that kind of a noise on thier bran new cars and it is the shock mounts from the factory they don't get tightened down enough.
[snapback]315236[/snapback]
no its 1999 model its done 110,000 so theres obviously a bit of wear & tear at the back !!!
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Old 03-22-2005, 12:42 AM   #5 (permalink)
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Quote:
Originally posted by storme@Mar 20 2005, 01:44 PM
SOUNDS like the turret mounts or suspension mounts,,,,,whichever you wanna call em,,they are at the top of the suspension,,,and they mount onto the body work jack up the car and look at the top of the suspension,,,if no joy pull out the boot lining and inspect them from there if they are damaged you will be able to see the tearing of the rubber..
[snapback]315230[/snapback]
is it a big or expensive job ?
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Old 03-22-2005, 07:26 AM   #6 (permalink)
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replacing the shock mounts isn't that bad as far as how much it would cost i don't know but if you have some mechanical ability you could do it your self. if you want help in how to do so just let me know i can help ya out.
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Old 03-22-2005, 12:58 PM   #7 (permalink)
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Uh oh...I hope its not the infamous subframe mount. If it is, your in trouble. I dont want to scare you but it happens in the 99-00 cars commonly. It happened to me. Do a search for rear subframe on here and Im sure youll find some info on it. The bad thing is you cant really see if its happening unless you cut holes in your trunk to see where the welds are.

Check out this website to see what Im talking about.
http://www.turnermotorsport.com/html/detai...T_ID=TDR4675412

Im currently helping the guy that bought my last car from to fix this problem. Its not fun, but is repairable. Let us know what you find out.
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Old 03-22-2005, 03:57 PM   #8 (permalink)
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changing the mounts is real easy.....jack up car......unbolt mounts...pull down suspension replace .....push up and re tighten

i done it on e30 and e36 ,,,so i am assuming e46 is very similiar ???
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Old 03-22-2005, 04:18 PM   #9 (permalink)
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Originally posted by jkloese@Mar 22 2005, 12:58 PM
Uh oh...I hope its not the infamous subframe mount. If it is, your in trouble. I dont want to scare you but it happens in the 99-00 cars commonly. It happened to me. Do a search for rear subframe on here and Im sure youll find some info on it. The bad thing is you cant really see if its happening unless you cut holes in your trunk to see where the welds are.

Check out this website to see what Im talking about.
http://www.turnermotorsport.com/html/detai...T_ID=TDR4675412

Im currently helping the guy that bought my last car from to fix this problem. Its not fun, but is repairable. Let us know what you find out.
[snapback]316432[/snapback]
problem solved , it was the RADIUS BUSHES , in the back end ! turns out its not that big a headache , THANKS FOR THE INFO GUYS .
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Old 03-23-2005, 08:11 AM   #10 (permalink)
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glad you got it fixed! Hey storme, I wasnt talking about the rubber bushing mounts, I meant the actual welded subframe mount. When the welds crack and break its not that simple. Trust me, we had to weld steel plates in where the holes are from the mount tearing through the floor pan. Then remount the K frame back to the chassis.
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Old 03-24-2005, 02:35 PM   #11 (permalink)
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i knew what you meant

and ive seen it posted a lot on this forum..i just hope we never have this problem,,it looks like trouble...

thankfully GAV didnt have this problem phew
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