{"title":"BMW B58 platforms (M340i\/M440i\/M540i\/M240i)","description":"\u003cp\u003eThe BMW B58 platforms (M340i\/M440i\/M540i\/M240i) runs B58 3.0L turbo I6. We write the ECU and TCU calibration and stock the downpipes and intakes to back every stage - mapped to this exact chassis, never a generic file.\u003c\/p\u003e","products":[{"product_id":"momentum-b58-5-race-downpipe","title":"Momentum B58 5\" Race Downpipe","description":"\u003cp data-start=\"0\" data-end=\"33\"\u003e\u003cstrong data-start=\"0\" data-end=\"33\"\u003eMomentum B58 5\" Race Downpipe\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"35\" data-end=\"374\"\u003eUnleash the full potential of your B58-powered BMW or Toyota Supra with the \u003cstrong data-start=\"111\" data-end=\"144\"\u003eMomentum B58 5\" Race Downpipe\u003c\/strong\u003e. Designed to significantly outflow the restrictive factory downpipe, this upgrade improves turbo efficiency, reduces backpressure, and delivers sharper throttle response, stronger top-end pull, and a more aggressive exhaust note.\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"758\"\u003eConstructed from \u003cstrong data-start=\"393\" data-end=\"430\"\u003ehigh-quality T304 stainless steel\u003c\/strong\u003e, this downpipe is built for long-term durability, corrosion resistance, and reliable performance under demanding conditions. Whether you are running a stock turbo setup with supporting modifications or building a more aggressive tuned application, this downpipe is an ideal upgrade for getting the most out of the B58 platform.\u003c\/p\u003e\n\u003cp data-start=\"760\" data-end=\"1013\"\u003eFor customers looking for better thermal control, a \u003cstrong data-start=\"812\" data-end=\"835\"\u003eheatshielded option\u003c\/strong\u003e is also available. This version helps reduce radiant heat in the engine bay and is a great choice for street-driven builds, hotter climates, and higher-performance applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1015\" data-end=\"1031\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1032\" data-end=\"1410\"\u003e\n\u003cli data-section-id=\"u2a36q\" data-start=\"1032\" data-end=\"1067\"\u003e\n\u003cp data-start=\"1034\" data-end=\"1067\"\u003eLarge \u003cstrong data-start=\"1040\" data-end=\"1067\"\u003e5-inch high-flow design\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"j0ijwq\" data-start=\"1068\" data-end=\"1111\"\u003e\n\u003cp data-start=\"1070\" data-end=\"1111\"\u003eConstructed from \u003cstrong data-start=\"1087\" data-end=\"1111\"\u003eT304 stainless steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mksph9\" data-start=\"1112\" data-end=\"1161\"\u003e\n\u003cp data-start=\"1114\" data-end=\"1161\"\u003eIncreased exhaust flow and reduced backpressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m7bbkg\" data-start=\"1162\" data-end=\"1213\"\u003e\n\u003cp data-start=\"1164\" data-end=\"1213\"\u003eFaster turbo spool and improved throttle response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2zo367\" data-start=\"1214\" data-end=\"1255\"\u003e\n\u003cp data-start=\"1216\" data-end=\"1255\"\u003eMore aggressive and deeper exhaust tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1123vs1\" data-start=\"1256\" data-end=\"1300\"\u003e\n\u003cp data-start=\"1258\" data-end=\"1300\"\u003ePrecision welds and direct bolt-on fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mbul7y\" data-start=\"1301\" data-end=\"1354\"\u003e\n\u003cp data-start=\"1303\" data-end=\"1354\"\u003eAvailable with an \u003cstrong data-start=\"1321\" data-end=\"1354\"\u003eoptional heatshielded version\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1r2deuf\" data-start=\"1355\" data-end=\"1410\"\u003e\n\u003cp data-start=\"1357\" data-end=\"1410\"\u003eExcellent upgrade for tuned and modified B58 vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"1412\" data-end=\"1428\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"1429\" data-end=\"1584\"\u003eCompatible with \u003cstrong data-start=\"1445\" data-end=\"1528\"\u003eBMW and Toyota vehicles equipped with the B58 3.0L turbocharged inline-6 engine\u003c\/strong\u003e, including both \u003cstrong data-start=\"1545\" data-end=\"1554\"\u003eGen 1\u003c\/strong\u003e and \u003cstrong data-start=\"1559\" data-end=\"1568\"\u003eGen 2\u003c\/strong\u003e configurations.\u003c\/p\u003e\n\u003cp data-start=\"1586\" data-end=\"1608\"\u003e\u003cstrong data-start=\"1586\" data-end=\"1608\"\u003eB58 Gen 1 Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1609\" data-end=\"1897\"\u003e\n\u003cli data-section-id=\"c0x0nc\" data-start=\"1609\" data-end=\"1643\"\u003e\n\u003cp data-start=\"1611\" data-end=\"1643\"\u003e2016-2018 BMW 340i \/ 340i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"o41w2q\" data-start=\"1644\" data-end=\"1678\"\u003e\n\u003cp data-start=\"1646\" data-end=\"1678\"\u003e2017-2020 BMW 440i \/ 440i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hnftrc\" data-start=\"1679\" data-end=\"1713\"\u003e\n\u003cp data-start=\"1681\" data-end=\"1713\"\u003e2017-2019 BMW 540i \/ 540i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13idz78\" data-start=\"1714\" data-end=\"1737\"\u003e\n\u003cp data-start=\"1716\" data-end=\"1737\"\u003e2018-2019 BMW 640i GT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1839end\" data-start=\"1738\" data-end=\"1772\"\u003e\n\u003cp data-start=\"1740\" data-end=\"1772\"\u003e2016-2019 BMW 740i \/ 740i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wzffqv\" data-start=\"1773\" data-end=\"1796\"\u003e\n\u003cp data-start=\"1775\" data-end=\"1796\"\u003e2018-2019 BMW X3 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7mo3ue\" data-start=\"1797\" data-end=\"1815\"\u003e\n\u003cp data-start=\"1799\" data-end=\"1815\"\u003e2019 BMW X4 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zg1abz\" data-start=\"1816\" data-end=\"1836\"\u003e\n\u003cp data-start=\"1818\" data-end=\"1836\"\u003e2016-2018 BMW 140i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15i0b5u\" data-start=\"1837\" data-end=\"1873\"\u003e\n\u003cp data-start=\"1839\" data-end=\"1873\"\u003e2016-2021 BMW M240i \/ M240i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h657ec\" data-start=\"1874\" data-end=\"1897\"\u003e\n\u003cp data-start=\"1876\" data-end=\"1897\"\u003e2017-2020 BMW 340i GT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1899\" data-end=\"1921\"\u003e\u003cstrong data-start=\"1899\" data-end=\"1921\"\u003eB58 Gen 2 Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1922\" data-end=\"2261\"\u003e\n\u003cli data-section-id=\"1t3a7fj\" data-start=\"1922\" data-end=\"1941\"\u003e\n\u003cp data-start=\"1924\" data-end=\"1941\"\u003e2019+ BMW Z4 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r2zwf3\" data-start=\"1942\" data-end=\"1983\"\u003e\n\u003cp data-start=\"1944\" data-end=\"1983\"\u003e2020+ Toyota GR Supra 3.0 \/ 3.0 Premium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16qum0w\" data-start=\"1984\" data-end=\"2016\"\u003e\n\u003cp data-start=\"1986\" data-end=\"2016\"\u003e2020+ BMW M340i \/ M340i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"g2c2bl\" data-start=\"2017\" data-end=\"2049\"\u003e\n\u003cp data-start=\"2019\" data-end=\"2049\"\u003e2021+ BMW M240i \/ M240i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14twdk0\" data-start=\"2050\" data-end=\"2080\"\u003e\n\u003cp data-start=\"2052\" data-end=\"2080\"\u003e2020+ BMW 540i \/ 540i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1300k4g\" data-start=\"2081\" data-end=\"2111\"\u003e\n\u003cp data-start=\"2083\" data-end=\"2111\"\u003e2020+ BMW 740i \/ 740i xDrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j6e05e\" data-start=\"2112\" data-end=\"2146\"\u003e\n\u003cp data-start=\"2114\" data-end=\"2146\"\u003e2020+ BMW 840i \/ 840i Gran Coupe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lrqvui\" data-start=\"2147\" data-end=\"2166\"\u003e\n\u003cp data-start=\"2149\" data-end=\"2166\"\u003e2019+ BMW X3 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mg7in1\" data-start=\"2167\" data-end=\"2186\"\u003e\n\u003cp data-start=\"2169\" data-end=\"2186\"\u003e2019+ BMW X4 M40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15y0pk5\" data-start=\"2187\" data-end=\"2211\"\u003e\n\u003cp data-start=\"2189\" data-end=\"2211\"\u003e2019+ BMW X5 xDrive40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eeez4c\" data-start=\"2212\" data-end=\"2236\"\u003e\n\u003cp data-start=\"2214\" data-end=\"2236\"\u003e2020+ BMW X6 xDrive40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rznw4n\" data-start=\"2237\" data-end=\"2261\"\u003e\n\u003cp data-start=\"2239\" data-end=\"2261\"\u003e2019+ BMW X7 xDrive40i\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rjcraw\" data-start=\"2263\" data-end=\"2278\"\u003ePlease Note\u003c\/h3\u003e\n\u003cp data-start=\"2279\" data-end=\"2425\"\u003eFitment may vary depending on chassis, drivetrain, model year, and regional market specifications. Please confirm compatibility prior to ordering.\u003c\/p\u003e\n\u003ch3 data-section-id=\"18gvbyj\" data-start=\"2427\" data-end=\"2448\"\u003eOff-Road Use Only\u003c\/h3\u003e\n\u003cp data-start=\"2449\" data-end=\"2606\"\u003eThis product is intended for \u003cstrong data-start=\"2478\" data-end=\"2514\"\u003eoff-road and motorsport use only\u003c\/strong\u003e and may not be legal for use on public roads or emissions-controlled vehicles in your area.\u003c\/p\u003e","brand":"Momentum Motorsports","offers":[{"title":"No","offer_id":43081184084073,"sku":null,"price":299.0,"currency_code":"USD","in_stock":true},{"title":"Yes","offer_id":43081184116841,"sku":null,"price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/8029\/4761\/files\/IMG_0702.jpg?v=1774896598"},{"product_id":"custom-ecu-tune-bmw-b58","title":"Custom ECU Tune - BMW B58 platforms (M340i\/M440i\/M540i\/M240i)","description":null,"brand":"Momentum Motorsports","offers":[{"title":"Stage 1","offer_id":43233093845097,"sku":null,"price":2999.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2","offer_id":43233093877865,"sku":null,"price":3099.0,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/momentummsports.com\/collections\/bmw-b58.oembed","provider":"Momentum Motorsports","version":"1.0","type":"link"}