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      02-17-2012, 05:28 PM   #24
RickyBobby
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Drives: M3
Join Date: Mar 2008
Location: NorCal

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Am I the only one who thinks these items are entirely unnecessary for a new well maintained car? I run my car competitively in NASA and don't think the car has any deficiencies that would cured by these parts. The only part I think would actually help the car go faster would be solid subframe bushings if you go crazy with rear spring rates.
Once the stock bushings start to wear out, these items would be a good upgrade, but for a new platform like the e90, I'd argue that they would produce any tangible difference.