I need to replace my front strut tower bushings. ECS has several brands; BMW, Febi, Lemforder and KYB. Does anyone have experience using anything other than the BMW? There's a pretty big difference in price.

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2014 BMW 328i Xdrive
2011 BMW 335i M-Sport
2008 BMW X5 4.8i Sport
2000 BMW 528i 5sp