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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 01-31-2011, 08:43 AM   #1
Capt1014
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Front end Knocking

Just replaced the,

Inner ball joints
Lower control arms and bushings,
Front struts
had the front end inspected for tightness....no loose items
Double checked all of the ball joints
There is no play in the steering wheel or Rack,

But every time I hit a small bump in the road under 55mph there is this knock that is pissing me off!!!!!!!

any ideas?
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Old 01-31-2011, 09:36 AM   #2
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Sway bar end links.
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Old 01-31-2011, 09:42 AM   #3
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Sway bar end links.
^that.
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Old 01-31-2011, 10:49 AM   #4
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Nope, they were all checked.
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Old 01-31-2011, 10:58 AM   #5
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Nope, they were all checked.
Check again.
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Old 01-31-2011, 10:59 AM   #6
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Then it's probably the heat shield by the right side FCAB carrier.

My money is still on sway bar end links though- they are a pain to tighten and need to be very tight or else they will make noise.
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Old 01-31-2011, 11:42 AM   #7
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I'll check again, it's a good solid "clunk" as tho it was a ball joint, so I don't htink it would be a heat sheild. Let you know how it turns out.
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Old 01-31-2011, 11:46 AM   #8
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I'll check again, it's a good solid "clunk" as tho it was a ball joint, so I don't htink it would be a heat sheild. Let you know how it turns out.
While you're at it, make sure everything is tight to spec down there.
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Old 01-31-2011, 12:44 PM   #9
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Talking

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While you're at it, make sure everything is tight to spec down there.
ok
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Old 01-31-2011, 12:57 PM   #10
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I'll check again, it's a good solid "clunk" as tho it was a ball joint, so I don't htink it would be a heat sheild. Let you know how it turns out.
Sway bar end-link then. They have to be real tight. Mine backed themselves off a few turns after I installed Bilsteins. Can sand down some paint on the bracket so this doesn't happen.
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Old 01-31-2011, 02:15 PM   #11
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My money is still on sway bar end links though- they are a pain to tighten and need to be very tight or else they will make noise.
Tell me about it.. why couldnt they just make it easy like the rwds..
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Old 01-31-2011, 04:05 PM   #12
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Tell me about it.. why couldnt they just make it easy like the rwds..
I don't know why.

Do you remember what to tighten with? I think you need a T30 socket and a thin 13mm box wrench? I can't remember . . .
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Old 02-01-2011, 03:32 PM   #13
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I don't know why.

Do you remember what to tighten with? I think you need a T30 socket and a thin 13mm box wrench? I can't remember . . .
yea, either a T25 or T30 and a 16mm box wrench that i had to cut the end off to fit in there (unless you want to take the splash shield out.

Couldnt get a torque wrench on it so i just made sure it was as tight as it was when i took it off.

Mine are probably loose as i have some noise on wheel turn and over bumps. Im going to replace them this spring.
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Old 02-01-2011, 05:50 PM   #14
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Quote:
Originally Posted by wdeerfield View Post
yea, either a T25 or T30 and a 16mm box wrench that i had to cut the end off to fit in there (unless you want to take the splash shield out.

Couldnt get a torque wrench on it so i just made sure it was as tight as it was when i took it off.

Mine are probably loose as i have some noise on wheel turn and over bumps. Im going to replace them this spring.
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Old 02-07-2011, 01:38 PM   #15
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+1 to double/triple checking end links...

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Old 02-07-2011, 01:53 PM   #16
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16mm box wrench
Ah yes- I stole a stubby one from my dad's tool box a while ago.

Also helpful for changing the TC fluid . . .
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