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      06-24-2020, 04:01 PM   #48
dtla1
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Drives: 2011 135i, Space Grey
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Rear M arms make a big difference in the rear end "shuffle" you might feel over bumps.

I forget which one is the one that makes the most difference but I'm sure fe1rx's thread about the rear arms does conclude that not all replacements are really needed.
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