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bmw m4

bmw m4
  • AMR Performance BMW ECU Software Upgrade(s) Undetectable!

    BMW M4 Tuning BREAKING NEWS One of the biggest worries from customer’s with the new M-Series BMW’s and the new MINI’s is warranty. After months of testing and analysis, AMR Performance is proud to announce that our software is UNDETECTABLE from the OEM OBD2 diagnostic tool(s) as well as modified tuning detection procedures through the […]

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