{"product_id":"mmx-power-control-module-bmw-f82-f83-m4-s55","title":"MMX ECU Piggyback Power Module Plug \u0026 Play Tuning Box for BMW M4 F82 F83 S55 3.0 Twin-Turbo Coupe and Convertible Remap Alternative","description":"\u003cp\u003eUnlock serious real-world performance from your BMW M4 with the MMX plug-in engine tuning box. Designed for the S55 3.0 twin turbo in the F82 coupe and F83 convertible, this ECU piggyback module delivers a strong boost in power and torque, crisper throttle response and harder acceleration, all without opening or flashing the factory ECU. A superb remap alternative for drivers who want upgrade-level gains with full reversibility.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMMX ECU piggyback tuning box for the S55 twin turbo straight-six\u003c\/li\u003e\n  \u003cli\u003eNoticeable increase in power and torque with a stronger mid-range\u003c\/li\u003e\n  \u003cli\u003eSharper throttle feel for a more responsive drive\u003c\/li\u003e\n  \u003cli\u003eNo ECU flash required - leaves the factory control unit untouched\u003c\/li\u003e\n  \u003cli\u003eRetains stock safety strategies and is fully reversible\u003c\/li\u003e\n  \u003cli\u003eDirect-fit loom for quick installation and easy removal\u003c\/li\u003e\n  \u003cli\u003eWorks brilliantly on otherwise standard cars and with common supporting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cbr\u003e\nFor BMW M4 models with the S55 engine:\u003cbr\u003e\n- F82 M4 coupe\u003cbr\u003e\n- F83 M4 convertible\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation and support\u003c\/strong\u003e\u003cbr\u003e\nNforcd knows this product well and it has been a popular choice with our BMW M4 customers. Professional fitting is available through Nforcd in Warwickshire. Request a quote at \u003ca href=\"mailto:Sales@nforcd.com\"\u003eSales@nforcd.com\u003c\/a\u003e. Mail-order is available for confident home installers.\u003c\/p\u003e\n\n\u003cp\u003eIf you want a powerful, plug-in and reversible engine management upgrade for your F8x M4 that avoids ECU flashing, the MMX tuning module is the smart solution. Order from Nforcd today and enjoy a sharper, more urgent M4 on every drive.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 14px; font-size: 13px; color: #555;\"\u003e\nAlso searched as: BMW M4 tuning box, MMX power module, S55 ECU piggyback, F82 M4 performance upgrade, F83 M4 tuning module, BMW M4 plug-in tuning, M4 remap alternative, S55 power upgrade, F8x M4 tuning solution, BMW M4 torque increase.\n\u003c\/p\u003e","brand":"MMX Performance","offers":[{"title":"BMW F82 \u0026 F83 M4 (S55)","offer_id":55458318942593,"sku":"MMR50-1606","price":649.99,"currency_code":"GBP","in_stock":true},{"title":"BMW F82 \u0026 F83 M4 Competition (S55)","offer_id":55458318975361,"sku":"MMR50-1605","price":649.99,"currency_code":"GBP","in_stock":true},{"title":"BMW F82 \u0026 F83 M4 Competition Sport (S55)","offer_id":55458319008129,"sku":"MMR50-1607","price":649.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/files\/MMR50-16033.png?v=1774259908","url":"https:\/\/www.nforcd.com\/products\/mmx-power-control-module-bmw-f82-f83-m4-s55","provider":"Nforcd","version":"1.0","type":"link"}