{"product_id":"bmw-cs-performance-flash-m2-m3-m4-g8x","title":"BMW CS Performance Flash – M2\/M3\/M4 G8x","description":"\u003cp data-start=\"62\" data-end=\"176\"\u003eUnlock the true performance potential of your BMW M3 or M4 with the \u003cstrong data-start=\"130\" data-end=\"158\"\u003eCS Engine Tune DME Flash\u003c\/strong\u003e from BMW Customz.\u003c\/p\u003e\n\u003cp data-start=\"178\" data-end=\"432\"\u003eThis upgrade installs the \u003cstrong data-start=\"204\" data-end=\"235\"\u003eofficial OEM CS calibration\u003c\/strong\u003e onto your vehicle’s DME, transforming the driving experience with increased power, sharper response, and enhanced exhaust character — all while retaining factory-level reliability and drivability.\u003c\/p\u003e\n\u003chr data-start=\"434\" data-end=\"437\"\u003e\n\u003ch3 data-start=\"439\" data-end=\"465\"\u003e✅ Features \u0026amp; Benefits:\u003c\/h3\u003e\n\u003cul data-start=\"466\" data-end=\"822\"\u003e\n\u003cli data-start=\"466\" data-end=\"497\"\u003eGenuine OEM BMW CS software\u003c\/li\u003e\n\u003cli data-start=\"498\" data-end=\"539\"\u003ePower increase to \u003cstrong data-start=\"518\" data-end=\"537\"\u003e530 HP \/ 650 Nm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"540\" data-end=\"593\"\u003eTop speed limiter raised to \u003cstrong data-start=\"570\" data-end=\"591\"\u003e186 MPH \/ 300 KMH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"594\" data-end=\"623\"\u003eSharper throttle response\u003c\/li\u003e\n\u003cli data-start=\"624\" data-end=\"669\"\u003eEnhanced exhaust sound \u0026amp; driving dynamics\u003c\/li\u003e\n\u003cli data-start=\"670\" data-end=\"718\"\u003eImproved gearbox \u0026amp; torque delivery behaviour\u003c\/li\u003e\n\u003cli data-start=\"719\" data-end=\"770\"\u003eFully compatible with all regions and countries\u003c\/li\u003e\n\u003cli data-start=\"771\" data-end=\"822\"\u003eNo aftermarket maps or custom tuning files used\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"824\" data-end=\"827\"\u003e\n\u003ch3 data-start=\"829\" data-end=\"858\"\u003e🔒 Safe \u0026amp; OEM-Compatible:\u003c\/h3\u003e\n\u003cul data-start=\"859\" data-end=\"1049\"\u003e\n\u003cli data-start=\"859\" data-end=\"889\"\u003e\u003cstrong data-start=\"861\" data-end=\"887\"\u003eNo ECU unlock required\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"890\" data-end=\"920\"\u003eNo permanent modifications\u003c\/li\u003e\n\u003cli data-start=\"921\" data-end=\"957\"\u003eNo dealer tamper flags triggered\u003c\/li\u003e\n\u003cli data-start=\"958\" data-end=\"997\"\u003eOEM-style operation and reliability\u003c\/li\u003e\n\u003cli data-start=\"998\" data-end=\"1049\"\u003eCompatible with future BMW software programming\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1051\" data-end=\"1229\"\u003eWe flash your \u003cstrong data-start=\"1065\" data-end=\"1094\"\u003eG80 \/ G81 \/ G82 \/ G83 DME\u003c\/strong\u003e to the genuine CS calibration, delivering the authentic BMW CS driving experience with smooth daily usability and factory integration.\u003c\/p\u003e\n\u003chr data-start=\"1231\" data-end=\"1234\"\u003e\n\u003ch3 data-start=\"1236\" data-end=\"1257\"\u003e🔧 Compatibility:\u003c\/h3\u003e\n\u003cul data-start=\"1258\" data-end=\"1405\"\u003e\n\u003cli data-start=\"1258\" data-end=\"1288\"\u003e\u003cstrong data-start=\"1260\" data-end=\"1286\"\u003e2021 – 2027 BMW G80 M3\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1289\" data-end=\"1327\"\u003e\u003cstrong data-start=\"1291\" data-end=\"1325\"\u003e2021 – 2027 BMW G81 M3 Touring\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1328\" data-end=\"1364\"\u003e\u003cstrong data-start=\"1330\" data-end=\"1362\"\u003e2021 – 2027 BMW G82 M4 Coupe\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1365\" data-end=\"1405\"\u003e\u003cstrong data-start=\"1367\" data-end=\"1405\"\u003e2021 – 2027 BMW G83 M4 Convertible\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1407\" data-end=\"1435\"\u003eTransmission: Automatic (AT)\u003c\/p\u003e\n\u003cp data-start=\"1437\" data-end=\"1490\"\u003e📌 Supported on \u003cstrong data-start=\"1453\" data-end=\"1478\"\u003eall software versions\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul data-start=\"1491\" data-end=\"1520\"\u003e\n\u003cli data-start=\"1491\" data-end=\"1505\"\u003e11\/2025.30\u003c\/li\u003e\n\u003cli data-start=\"1506\" data-end=\"1520\"\u003e11\/2025.40\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1522\" data-end=\"1603\"\u003eThe flash can be carried out regardless of your current vehicle software version.\u003c\/p\u003e","brand":"BMW CUSTOMZ ","offers":[{"title":"Default Title","offer_id":56755786088828,"sku":null,"price":300.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/3428\/3521\/files\/11b31d40-21f1-4ac7-ba56-912e183021b0.png?v=1778451931","url":"https:\/\/www.bmwcustomz.co.uk\/products\/bmw-cs-performance-flash-m2-m3-m4-g8x","provider":"BMW CUSTOMZ ","version":"1.0","type":"link"}