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Old 01-14-2010, 01:15 AM   #1
46er
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Any ideas for issue, e46 sedan!!

Hello everyone, I have a 99 e46 323i the car has 131xxxkm and I'm pretty sure but not sure that all the suspension and rear end parts are still original since 99. The issue or question is that when I shift through the first 3 gears I hear a clicking or a tak noise, so when I shift and then give throttle I hear a click or tak noise any idea what the problem can be. I think I need to replace the guibo in the rear because sounds like it's coming from the trunk or under my rear seats and no I took out everything from my trunk I know it has to do with the rear dif perhaps between the drive shaft and dif or between the dif and the drive axles. Any and all help/input will be greatly appreciated. One last thing are guibo's something you have to change after a certain mileage?
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Old 01-14-2010, 09:59 PM   #2
Mikeee46coup
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Sounds like your subframe has torn, welcome to the land of BMW ownership. Sorry man. Google E46+ Subframe tear, it's common with early E46's.
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Old 01-16-2010, 11:52 AM   #3
46er
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Whats the proper way to fix this problem isn't getting the reinforcement kit to late since the damage is already done?
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Old 01-16-2010, 12:25 PM   #4
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like mentioned above it sounds like your Subframe maybe torn. A common problem in early E46's.
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Old 01-17-2010, 01:44 AM   #5
46er
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yes now maybe other members on this board have had the problem and i'm asking how they addressed this issue because i don't want to drive with torn subframe. Any shops recommended where i can get the work done. Since it's a common problem perhaps there's a common solutions. Where did the people that had this problem go to get it fixed? thanks
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Old 01-26-2010, 12:46 AM   #6
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you also may not have a torn subframe. I have the same car as you. same kms too. my subframe is fine. lift out the carpeting in the trunk and take a look at the mounting points of the shock towers. if it is in fact torn sheet metal, then start worrying.
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Old 01-26-2010, 12:52 AM   #7
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Could be subframe, but at that milage i would also check for broken coil springs, very common problem on E46...
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Old 01-26-2010, 05:05 PM   #8
46er
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so I should look for broken rear coil springs, and inspect my rear shock towers for any cracking or defects.
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Old 01-26-2010, 11:55 PM   #9
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Quote:
Originally Posted by 46er View Post
so I should look for broken rear coil springs, and inspect my rear shock towers for any cracking or defects.
Thats right. check these two things.

Again, I have the same car as yours, and both my stock rear springs are cracked.

I really should be changing mine as well, but I'm presently not driving that car, so I'll worry about it when the time comes.

You can see a torn subframe clearly from either a)inside the the trunk under the carpeting, or b) by looking up at the shocking mounting points inside the rear wheel well.

torn metal looks like... torn metal.

the cracked springs however, are difficult to see. u kinda have to sneak your hand into the base pearch of the rear springs - thats where they usually crack. you'll feel that the otherwise curved spring either stops suddenly (the remainder of the spiral has broken off), or has a jagged/ bent edge.
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Old 01-27-2010, 09:07 AM   #10
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I had both rear springs with broken tips (last 2" gone) and I never heard or felt anything. It was when I was replacing my rear calipaers I noticed the broken springs. Only difference, my rear sat slightly lower. Broken tips will have little or no audible affect. Check rear differential + drive shafts
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Old 01-27-2010, 10:17 AM   #11
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i agree

This is true, my two broken rear springs are also quiet. I describe the stance of my car as "slouching" on the back wheels.
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Old 01-27-2010, 11:24 AM   #12
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aggressive slouching..... LOL but doesn't make a sound, just ride height. Springs adjust ride height, shocks affect ride stability.... Driveline, differential and bushings/bearings make noises...... Thats where i'd look after subframe tears.....
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