BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

Post Reply
 
Thread Tools Search this Thread
      05-23-2018, 11:27 PM   #23
tree233
Private
15
Rep
82
Posts

Drives: 2006 130i hotrod
Join Date: Dec 2017
Location: Sydney Australia

iTrader: (0)

Quote:
Originally Posted by fe1rx View Post
Clearly the M3 tension arm is more concerned with wheel control than NVH.
Hi fe1rx,

Thank you for the research!

Can you please confirm that the OE & M3 tension arms are the same geometry, and the only difference being the bushing?
Also do you know how much wider the M3 control arm is? I'm keen to know how much the front track will increase by.

Cheers!
Appreciate 0
      11-08-2023, 04:19 PM   #24
fe1rx
Captain
1390
Rep
776
Posts

Drives: 135i, 328i, Cayman S
Join Date: Jan 2008
Location: Canada

iTrader: (3)

Why BMW struts are so hard to disassemble

Anyone who has tried to disassemble an OE front strut has cursed the fact that the shaft retracts itself back into the strut body as you compress the spring. The net result is that it is hard to get all spring tension off the top hat, and thus very hard to get the strut and spring back together again.

The reason for this is that OE struts have a rebound spring internally that prevents the strut from fully extending. Aftermarket struts, as a rule don't have this feature so are easier to assemble. The attached image is from a 3-series strut, but the design appears to be typical. In the center of the picture is the rod guide and seal with the cylinder cut off. The cylinder appears in the right side of the picture. It is much smaller than the outer body of the strut because the strut is a twin-tube design.

Name:  IMG_4333.JPG
Views: 76
Size:  77.0 KB
Appreciate 2
asbrr540.50
Brian_9.00
      02-20-2024, 07:05 AM   #25
rackhenry
Private
rackhenry's Avatar
9
Rep
59
Posts

Drives: BMW 128, Porsche Cayman
Join Date: Feb 2024
Location: CA

iTrader: (0)

Great writeup and analysis. The data is really helping with my track build.
__________________
2011 128i
2011 Cayman
2007 Cayman S -Sold - no regrets
2007 Exige - Sold - Double Dang it!!
1990 M3 - Sold - Dang it!
Appreciate 0
Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 11:10 AM.




1addicts
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST