{"product_id":"rywire-bmw-e30-k20-swap-conversion-harness-2002-2004-k20a-into-1988-1992-e30","title":"Rywire BMW E30 K20 Swap Conversion Harness - 2002-2004 K20A Into 1988-1992 E30 (E30-K20A)","description":"\u003cp\u003eRywire \u003cstrong\u003eE30-K20A\u003c\/strong\u003e is a plug-and-play chassis adapter harness for putting a 2002-2004 Honda K20 into a 1988-1992 BMW E30. It joins the K20 engine harness to the round E30 chassis interface connector, carries the engine computer connector and main relay, and keeps the factory BMW coolant temperature gauge reading.\u003c\/p\u003e\u003ch2\u003eWhy This E30 K20 Swap Conversion Harness\u003c\/h2\u003e\u003cp\u003eThe Rywire E30-K20A is a K20 swap conversion harness that plugs a 2002-2004 Honda K20 engine harness into the round chassis interface connector of a 1988-1992 BMW E30.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersus splicing into BMW wiring:\u003c\/strong\u003e This E30 conversion harness is plug and play at the E30 round connector and the K20 C101 connector, so Honda and BMW circuits are not mapped wire by wire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersus building the interface yourself:\u003c\/strong\u003e This E30 conversion harness already carries the K20 engine computer connector, computer relay, primary O2 wiring and relay, and relay ground terminal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory gauge keeps working:\u003c\/strong\u003e This E30 conversion harness includes the E30 BMW coolant temperature sender, so the OEM E30 gauge cluster still reads coolant temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFan control your way:\u003c\/strong\u003e This E30 conversion harness provides a loose green wire for electric fan control, so the fan can be wired to suit the car's cooling setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e A 2002-2004 Honda K20 going into a 1988-1992 BMW E30.\u003c\/p\u003e\u003ch2\u003eEngine Swap Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChassis: 1988-1992 BMW E30\u003c\/li\u003e\n\u003cli\u003eEngine: 2002-2004 Honda K20\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePlug and play to the E30 round chassis interface connector\u003c\/li\u003e\n\u003cli\u003eK20 C101 connector to the engine harness\u003c\/li\u003e\n\u003cli\u003ePrimary O2 sensor wiring and relay built in\u003c\/li\u003e\n\u003cli\u003eBMW coolant temperature sender so the OEM E30 gauge cluster still reads\u003c\/li\u003e\n\u003cli\u003eLoose green wire for electric fan control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eConnector List\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eK20 C101 connector\u003c\/li\u003e\n\u003cli\u003eK20 engine computer connector\u003c\/li\u003e\n\u003cli\u003eK20 primary O2 wiring and relay\u003c\/li\u003e\n\u003cli\u003eE30 BMW round chassis interface connector\u003c\/li\u003e\n\u003cli\u003eE30 BMW coolant temperature sender for the OEM gauge cluster\u003c\/li\u003e\n\u003cli\u003eGround terminal for the relay ground\u003c\/li\u003e\n\u003cli\u003eComputer relay\u003c\/li\u003e\n\u003cli\u003eGreen fan control wire\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eE30 to K20A conversion harness with the connectors listed above\u003c\/li\u003e\n\u003cli\u003eComputer relay\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhich K20 does this support?\u003c\/h3\u003e\u003cp\u003eRywire built it for the 2002-2004 K20.\u003c\/p\u003e\u003ch3\u003eDoes my BMW temperature gauge still work?\u003c\/h3\u003e\u003cp\u003eYes. The harness includes the E30 BMW coolant temperature sender for the factory gauge cluster.\u003c\/p\u003e\u003ch3\u003eHow do I run the electric fan?\u003c\/h3\u003e\u003cp\u003eA loose green wire is provided for electric fan control. Email service@tunedbyshawn.com with your engine, chassis and ECU before ordering if you are unsure which configuration you need.\u003c\/p\u003e\u003c!-- why-faq --\u003e\u003ch3\u003eDoes the BMW temperature gauge still work after a K20 swap with this harness?\u003c\/h3\u003e\u003cp\u003eYes. The Rywire E30 K20 conversion harness includes the E30 BMW coolant temperature sender, so the factory E30 gauge cluster keeps reading coolant temperature.\u003c\/p\u003e\u003c!-- \/why-faq --\u003e\u003cp\u003e\u003cem\u003eFor off-road and competition use only. Not legal for use on pollution-controlled motor vehicles.\u003c\/em\u003e\u003c\/p\u003e","brand":"Rywire","offers":[{"title":"Default Title","offer_id":67665023172675,"sku":"E30-K20A","price":525.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/rywire-e30-k20a-1.jpg?v=1791556007","url":"https:\/\/www.tunedbyshawn.com\/products\/rywire-bmw-e30-k20-swap-conversion-harness-2002-2004-k20a-into-1988-1992-e30","provider":"Tuned by Shawn","version":"1.0","type":"link"}