| 02-12-2022, 02:53 PM | #1 |
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New Member
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Rep 7
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'18 m550i tune
Looking to get a little more out of my m550 trying to balance performance vs. reliability. Id take a 50hp and be satisfied. A few questions:
Still have warranty left so is a piggyback the best option to avoid potential warranty issues? Dinan X, JB4, or ACS (why are they 12X the cost?) Best DME/ECU flash? Carbahn, BM3? Appreciate any guidance or actual experience. Thanks, DD |
