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Go Back   E46Fanatics > Tuning & Tech > Suspension & Braking

Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 03-14-2011, 10:29 PM   #1
euG!
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HELP! Suspension Diagnosis Needed (CLUNKING) w/ Pics







Here is my install... anyone see anything that looks off (besides it being Racelands)? Im trying to find the source of a clunking noise. It sounds as if something is loose. And yes I am aware of the wheel rubbing the spring, that was when I first installed it WAY TOO low on stock wheels but that has been taken care of and is no longer the issue.
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Old 03-14-2011, 11:07 PM   #2
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I am getting 5mm spacers for the front and will be torquing all the bolts to spec and HOPEFULLY that will fix everything! But your guys' .02 cents is appreciated till then.
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Old 03-15-2011, 07:33 AM   #3
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Could either be something loose or something hitting something it shouldn't. Re-torque everything but I would tend to suspect loose nuts attaching the sway bar end links, even if they don't seem loose. Your pictures aren't the greatest but it also looks possible that the end of you sway bar may be contacting the control arm. If this is the case, you will need shorter end links.
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Old 03-15-2011, 09:06 AM   #4
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Quote:
Originally Posted by TxZHP04 View Post
Could either be something loose or something hitting something it shouldn't. Re-torque everything but I would tend to suspect loose nuts attaching the sway bar end links, even if they don't seem loose. Your pictures aren't the greatest but it also looks possible that the end of you sway bar may be contacting the control arm. If this is the case, you will need shorter end links.
Those are shorter 7" impaled end links but i see what you're saying. I will see if there could be contact but would it make sense that only one side would contact?
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Old 03-15-2011, 11:59 AM   #5
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I have found that, when I dumped my front end, I needed to run adjustable endlinks. If you are going really low, I would suggest finding a set of adjustable endlinks and shortening things up.

As far as one side making noise over another, keep in mind that all corners are not equal on your/any car. They may look identical (eyeball method) but in reality there are subtle differences. Things to check:

Strut nut on strut hat = (not sure on coils. On stock and PSS9 its 47 ft/lbs)
Strut to Tower nuts = 18 ft/lbs
Strut to Endlink Nuts = 44 ft/lbs
Swaybar to Endlink nuts = 44 ft/lbs
Control Arm Knuckle/Seat to Strut bolt = (don't remember, do a quick search to find. I think its around 60-70 ft/lbs)
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Old 03-15-2011, 03:51 PM   #6
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Quote:
Originally Posted by bullfrogs_M3 View Post
I have found that, when I dumped my front end, I needed to run adjustable endlinks. If you are going really low, I would suggest finding a set of adjustable endlinks and shortening things up.

As far as one side making noise over another, keep in mind that all corners are not equal on your/any car. They may look identical (eyeball method) but in reality there are subtle differences. Things to check:

Strut nut on strut hat = (not sure on coils. On stock and PSS9 its 47 ft/lbs)
Strut to Tower nuts = 18 ft/lbs
Strut to Endlink Nuts = 44 ft/lbs
Swaybar to Endlink nuts = 44 ft/lbs
Control Arm Knuckle/Seat to Strut bolt = (don't remember, do a quick search to find. I think its around 60-70 ft/lbs)
Any advise on how to torque the bottom bolt where the swaybar to endlink is? I cant seem to situate my torque wrench back here.
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Old 03-20-2011, 02:20 PM   #7
TobyT
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My car made a clunking noise when i first got it. Replaced the rear control arm bushings and no more noise.
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