Yeah, my wife's 128i M-Sport convertible is due in this week and I pre-purchased (at a discount, thanks to BMWCCA and my dealer) a BMW Perf Exhaust for it. I'm leaving the resonator in place to eliminate droning - my older E46s had aftermarket exhausts as well, and they sounded great with the resonator intact. I knew a few people who removed theirs and quickly added them back due to the awful droning at highway speeds.
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2015 F80 ///M3 Sedan 7DCT Tanzanite, 2022 X3 sDrive30i 8AT Brooklyn Grey
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