{"product_id":"bootmod3-s55-ecu-tune-bmw-f8x-m3-m4-m2-competition","title":"Bootmod3 S55 ECU Tune | BMW F8x M3, M4, M2 Competition","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWorld's most advanced cloud-based ECU flash tuning platform, purpose-built for the S55-powered BMW M3, M4, and M2 Competition.\u003c\/strong\u003e Go from stock to full race calibration and everything in between with an on-the-fly map switch controlled straight from the steering wheel — no laptop or reflash required to change tunes.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eIncludes one OTS map of your choice on purchase, full CustomROM feature access (Flex Fuel tuning, AntiLag, Map Switching, GTS\/CS transmission flash for DCT), and a built-in map editor for advanced or custom tuning through the bootmod3 Tuner Directory. Comprehensive datalogging across 70+ channels gives you real diagnostic insight alongside the performance gains.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCloud-based tuning via mobile app (iOS\/Android) and desktop (Windows\/macOS)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOn-the-fly map switching using steering wheel cruise controls (4 switchable maps)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFlex Fuel tuning — automatic ethanol blend management from 0–100%\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAntiLag function for stationary or rolling boost build\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGTS\/CS transmission flash included for DCT-equipped vehicles\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStage 1–2H maps available across 91\/93\/E30\/E85\/Race Gas\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLive Dash real-time parameter monitoring and full diagnostics\/DTC clearing\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAdvanced map editor with ~5000 tuning tables for custom\/local tuner use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e BMW F8x M3, M4, M2 Competition (S55 engine, 2014–2020 M3\/M4, 2018–present M2 Competition)\u003cbr\u003e\u003cstrong\u003eRequires:\u003c\/strong\u003e bootmod3 WiFi Adapter or OBD ENET cable (sold separately)\u003cbr\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e GCM-TUNE-BM3-S55\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eImportant Information:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis product is intended for performance use and should be installed by a qualified professional.\u003c\/p\u003e\n\u003cp\u003eIt is the customer’s responsibility to ensure compatibility with their specific vehicle prior to purchase. If you are unsure, please contact us before ordering.\u003c\/p\u003e\n\u003cp\u003eGridline Custom Motorsports is not responsible for issues arising from incorrect installation, misuse, or improper product selection.\u003c\/p\u003e\n\u003cp\u003eDue to the nature of performance parts, some items may be special order and subject to supplier availability and lead times.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTuning Disclaimer:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eTuning products and ECU-related services are non-refundable once installed, activated, or used.\u003c\/p\u003e\n\u003cp\u003eBy purchasing, you acknowledge the risks associated with performance tuning, including potential impact on vehicle warranty and reliability.\u003c\/p\u003e","brand":"BootMod3","offers":[{"title":"Default Title","offer_id":46910553555142,"sku":"bootmod3-s55-tune","price":949.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/4627\/7830\/files\/s55.webp?v=1786430941","url":"https:\/\/www.gridlinecustommotorsports.com.au\/products\/bootmod3-s55-ecu-tune-bmw-f8x-m3-m4-m2-competition","provider":"Gridline Custom Motorsports","version":"1.0","type":"link"}