{"title":"BMW 6 Series (F12)","description":"\u003cp\u003eCustom ECU calibrations for the BMW F12 6 Series, 2011 to 2017.\u003c\/p\u003e\n\n\u003cp\u003eModels supported: 640i, F12 M6.\u003c\/p\u003e\n\n\u003cp\u003eEngines supported: N55, S63.\u003c\/p\u003e\n\n\u003cp\u003eStage 1 software-only and Stage 2 catless downpipe calibrations available. All F12 chassis are open ECU, no unlock required.\u003c\/p\u003e","products":[{"product_id":"rpm-forged-h-beam-race-connecting-rods-bmw-n55","title":"Forged H-Beam Connecting Rods – BMW N55","description":"\u003cp\u003eForged H-beam connecting rods for the BMW N55, built for serious power and high boost. Precision-forged from 4340 chrome moly steel and designed to accept genuine ARP 2000 bolts, they handle the loads that limit factory rods on big-power street, track and drag builds. ARP 2000 bolts included.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged 4340 chrome moly steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eH-beam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSmall end\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBronze alloy bushing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBig end\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrecision honed, shot-peened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBolts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenuine ARP 2000 \/ 625+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated to\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800–1000+ hp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh boost, track, drag, high-power street builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHandles big power, with 4340 chrome moly and an H-beam profile that resist bending and twisting at high RPM and cylinder pressure, rated to 800–1000+ hp.\u003c\/li\u003e\n\u003cli\u003eLasts under load, heat-treated and shot-peened to resist fatigue even under detonation or knock.\u003c\/li\u003e\n\u003cli\u003eSpins true, with CNC-honed, fully balanced big ends that keep tight clearances and oil-film stability at high engine speeds.\u003c\/li\u003e\n\u003cli\u003eRevs quicker, with a lighter H-beam profile that cuts reciprocating mass for sharper throttle response.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild quality\u003c\/h3\u003e\n\u003cp\u003ePrecision-forged from 4340 aircraft-grade chrome moly, shot-peened and heat-treated, with bronze small-end bushings and deep locking grooves for ARP bolt stability. Pair with RPM Tuning forged 4032 pistons, upgraded bearings and MLS head gaskets for a complete forged bottom end.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eFits BMW N55 engines across E- and F-series platforms: 135i \/ 335i \/ 435i, M235i \/ M2 (non-Competition), X3 35i \/ X4 35i, and 640i \/ 740i N55 variants.\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Default Title","offer_id":42742314238061,"sku":null,"price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2729\/0989\/files\/Artboard9_ff90030d-0462-42ca-8dc4-8150ee2b1664.png?v=1754454724"},{"product_id":"bmw-640i-f12-2011-2017","title":"BMW 640i (F12) 2011-2017","description":"\u003cp\u003eCustom ECU calibration for BMW 640I, F12 chassis, N55 engine. Years 2011-2017.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFactory Specs:\u003c\/strong\u003e 320 HP \/ 450 Nm\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCustom ECU calibration tailored to your specific vehicle\u003c\/li\u003e\n\u003cli\u003eDatalog review and revisions until fully dialed in\u003c\/li\u003e\n\u003cli\u003eLifetime tune support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFlasher Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning Tools Included:\u003c\/strong\u003e We ship all hardware needed to read and flash your ECU, worldwide. Standard delivery includes the Autotuner One dongle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI Have MHD \/ MG Flasher:\u003c\/strong\u003e Save $300. Use your existing MHD or MG Flasher license to read and flash. Digital delivery only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eOrder your Stage and Flasher selection above\u003c\/li\u003e\n\u003cli\u003eRead your stock ECU file (using your flasher or our Autotuner)\u003c\/li\u003e\n\u003cli\u003eSend us your stock file\u003c\/li\u003e\n\u003cli\u003eWe build your custom calibration\u003c\/li\u003e\n\u003cli\u003eYou flash the file and send datalogs\u003c\/li\u003e\n\u003cli\u003eWe refine until perfect\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cem\u003eFor off-road and motorsport use only. See our Performance Disclaimer in Terms of Service.\u003c\/em\u003e\u003c\/p\u003e","brand":"RPM Tuning","offers":[{"title":"Stage 1: No Mods Required \/ Tuning Tools Included","offer_id":45212687401069,"sku":"640I_F12_2011_2017_S1_INC","price":999.0,"currency_code":"USD","in_stock":true},{"title":"Stage 1: No Mods Required \/ I Have MHD \/ MG Flasher","offer_id":45212687433837,"sku":"640I_F12_2011_2017_S1_OWN","price":699.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2: Downpipes Required \/ Tuning Tools Included","offer_id":45212687466605,"sku":"640I_F12_2011_2017_S2_INC","price":1199.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2: Downpipes Required \/ I Have MHD \/ MG Flasher","offer_id":45212687499373,"sku":"640I_F12_2011_2017_S2_OWN","price":899.0,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/www.rpmtuning.pro\/collections\/bmw-f12-tunes.oembed","provider":"RPM Tuning ","version":"1.0","type":"link"}