The 2011 rear springs are definitely different from the 2009s that my car came with. The shape of the 2011 springs is uniform top to bottom. My 2009 M sport spirngs were not. They are slightly smaller at each end than in the middle.
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2009 BMW LeMans Blue 135i/Dinan Stage 2 tune/Alufelgen SF-71s/M3 suspension components/Koni Sport adjustable dampers/ETS FMIC/M3 paddle shifters/Alpina B3 TCU flash/VRSF charge pipe
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