{"product_id":"bmw-m20-m30-to-m50-tps-adapter-harness","title":"BMW M20\/M30 to M50 TPS Adapter Harness | MegaSquirt \u0026 Standalone ECU","description":"\u003cp\u003ePlug-and-play connector adapter harness for connecting an M50\/E36 variable throttle position sensor to BMW M20 or M30 engine wiring that uses the matching three-pin throttle-switch connector. Designed for MegaSquirt and compatible standalone ECU conversions, it avoids cutting or permanently modifying the original engine harness.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnects compatible M20\/M30 three-pin throttle-switch wiring to an M50\/E36 three-pin variable TPS\u003c\/li\u003e\n\u003cli\u003ePre-crimped OEM-style connectors\u003c\/li\u003e\n\u003cli\u003eNo cutting or permanent harness modification required\u003c\/li\u003e\n\u003cli\u003ePairs with the \u003ca href=\"\/products\/m50-tps-adapter-for-m20-m30\"\u003eFalk MFG M50 TPS Adapter for M20 \u0026amp; M30\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eConnector fitment must be verified before ordering.\u003c\/strong\u003e This harness is intended for M20 and non-EML M30 applications with the matching three-pin factory throttle-switch connector. It is not compatible with EML\/electronic-throttle systems or M30 applications that use a different multi-pin automatic-transmission\/EGS throttle-switch connector.\u003c\/p\u003e\n\u003cp\u003eThis is a connector adapter, not a universal pinout converter. The installer must verify that TPS signal, sensor ground, and regulated 5V reference are routed to the correct pin positions for the specific ECU and engine harness. Never connect the TPS 5V reference circuit to 12V.\u003c\/p\u003e\n\u003ch3\u003eAMP EFI MSPNP-Pro B8793 E30 M20 Reference Wiring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eE30 pin 1 \/ ECU pin 52 to M50 TPS pin 2 (TPS signal)\u003c\/li\u003e\n\u003cli\u003eE30 pin 2 \/ sensor ground to M50 TPS pin 1 (sensor ground)\u003c\/li\u003e\n\u003cli\u003eE30 pin 3 \/ ECU pin 53 to M50 TPS pin 3 (5V reference)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMegaSquirt hardware and harness configurations can vary. The reference pinout above is for the AMP EFI MSPNP-Pro B8793 E30 plug-and-play ECU. Verify the pinout before installation if you are using a different ECU or harness configuration.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/bmw-m20-m30-megasquirt-tps-upgrade-variable-resistive-tps-wiring-pinouts-and-harness-options\"\u003eBMW M20 \u0026amp; M30 MegaSquirt TPS Upgrade Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed the physical mounting adapter?\u003c\/strong\u003e Pair this harness with the \u003ca href=\"\/products\/m50-tps-adapter-for-m20-m30\"\u003eM50 TPS Adapter for M20 \u0026amp; M30\u003c\/a\u003e. The M50\/E36 TPS and physical mounting adapter are sold separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSave 10% with the complete kit:\u003c\/strong\u003e \u003ca href=\"\/products\/bmw-m20-m30-tps-conversion-kit\"\u003eBuy this harness with the M50 TPS Adapter for M20\/M30.\u003c\/a\u003e\u003c\/p\u003e","brand":"Falk MFG","offers":[{"title":"Default Title","offer_id":48012457181362,"sku":"M20_M30_TO_M50_TPS_HARNESS","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0423\/2717\/9417\/files\/bmw-e30-m20-to-m50-tps-adapter-harness.png?v=1788838192","url":"https:\/\/falkmfg.com\/products\/bmw-m20-m30-to-m50-tps-adapter-harness","provider":"Falk MFG","version":"1.0","type":"link"}