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      05-03-2012, 02:30 PM   #7
BiscottiGelato
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Drives: 09 135i M Sport 6MT
Join Date: Nov 2006
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Quote:
Originally Posted by 1Pirate View Post
I know for certain that the 2011 rear springs are different than the 2009 rear springs that came on my car, but to be honest the 2009 and 2011 front springs looked virtually indentical. However, that being said your point seems logical to me. I can't imagine why a car manufacturer would put progressive springs on the front and linear springs on the rear of the same vehicle when the compression characteristics of each are different. It seems to me that doing so would upset the balance of the car and how the car reacts to the road.
That's exactly what was going on in my head, and hence I was trying to confirm. I guess the way to find out is to look-up part number for the front and rear springs for pre-2011 and the front and rear springs for 2011+
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