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Old 10-17-2019, 01:53 PM   #1
LouieLou609
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Help, rear trailing arm fitment

Hello, my rear left trailing arm knuckle assembly is bent, just wondering if I can fit 325xi knuckle assembly to my 330i with no modification. The deal I can get on the 325xi knuckle is cheap. Thank you in advanced
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Old 10-17-2019, 02:11 PM   #2
kd7iwp
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If you haven't already, go to realoem.com and look up part numbers for both your 330i and the 325xi and it will tell you if the parts are the same.
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Old 10-17-2019, 02:20 PM   #3
LouieLou609
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Originally Posted by kd7iwp View Post
If you haven't already, go to realoem.com and look up part numbers for both your 330i and the 325xi and it will tell you if the parts are the same.


I appreciate it, the part numbers matched! Forgot about realoem lol thank you
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Old 10-17-2019, 02:46 PM   #4
mega_stihl
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I remember doing some research about this when I put 330i brakes on my 320i. The 330i E-brake does not mount on any other RTA with the exception of the 325ix. So yes, 330i and 325iX should be identical.
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Old 10-18-2019, 01:17 PM   #5
LeverThis
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Quote:
Originally Posted by LouieLou609 View Post
Hello, my rear left trailing arm knuckle assembly is bent, just wondering if I can fit 325xi knuckle assembly to my 330i with no modification. The deal I can get on the 325xi knuckle is cheap. Thank you in advanced
How did you determine the left trailing was bent? Was it obvious or did you have to measure things?

Looking for advice because I am working on a friend's 330i with a right rear shock absorber that is touching the upper control arm (with the car on jack stands). The left shock has about 1/4 inch space between its upper control arm.

Here is the thread I started with pictures, to give an idea

https://forum.e46fanatics.com/showthread.php?t=1264339
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Last edited by LeverThis; 10-18-2019 at 01:21 PM.
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Old 10-18-2019, 02:25 PM   #6
RayPooley
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Quote:
Originally Posted by LouieLou609 View Post
Hello, my rear left trailing arm knuckle assembly is bent, just wondering if I can fit 325xi knuckle assembly to my 330i with no modification. The deal I can get on the 325xi knuckle is cheap. Thank you in advanced
This is cearly a geometric problem. Maybe you could measure the distance from some point on the hub to the trailer arm bracket on both sides. The one where it is touching might be longer than the other. Have you checked the top of the shock on the dodgy side? Is it fastened/seated properly? Is the shock itself bent?
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