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Old 01-04-2010, 11:04 AM   #128
Arsevader
Registered User
 
Join Date: May 2006
Location: Ontario, Canada
Posts: 1,829
My Ride: '90 325i, '02 325it
Quote:
Originally Posted by mkodama View Post
Ahh, that would make much more sense. Thanks.

The reason I suspect the H&Rs are low pressure twin-tube is that they can be compressed with my arms, while the Bilsteins require a little less than my body weight to compress them, probably around 120 pounds of force.
Best way to tell is the diameter of the piston. A twin tube design has a smaller piston to accommodate the inner tube. Bilstein and other monotube struts have a piston that is significantly larger.
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- James

'85 E30 325e
'90 E30 325i
'02 E46 325it
'03 E46 320i

'96 Volvo 850R


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