Anyone have experience with aftermarket carriers like Febi, Uro or MTC?

While I generally like to stay with factory OEM parts, when the OEM part has such a high failure rate, it makes me a little less reluctant to try a replacement part.

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