There aren't any "chips" anymore...it's either a software download or a "piggyback" plug-in like the BMS Powerbox, and on a 328, it's not going to make much difference. An intake and an exhaust would probably be of more benefit.
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2015 F80 ///M3 Sedan 7DCT Tanzanite, 2022 X3 sDrive30i 8AT Brooklyn Grey
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