Don't know any that would stock an aftermarket CP for an N54 engine - they would most likely have to order it from the vendor of your choice. It's possible that Cobb might have one, but you might end up better off ordering one with fast shipping via an online website. ER is one that I had very good luck with.
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2015 F80 ///M3 Sedan 7DCT Tanzanite, 2022 X3 sDrive30i 8AT Brooklyn Grey
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