{"product_id":"bmw-e46-ms43-full-bolt-on-calibration","title":"BMW E46 MS43 Full Bolt-On Calibration","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eOptimize your BMW's naturally aspirated performance with a custom LRW calibration for the Siemens MS43 ECU. Designed for M54-powered vehicles equipped with full bolt-on modifications, this calibration focuses on improving throttle response, power delivery, and overall drivability while taking full advantage of your engine's modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSupported Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBMW E46 325i \/ 330i \/ 325Ci \/ 330Ci\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBMW E39 525i \/ 530i\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOther compatible M5X vehicles equipped with a Siemens MS43 engine management.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSupported Modifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePerformance intake systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUpgraded exhaust headers.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCat-back exhaust systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUpgraded intake manifolds.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarger throttle bodies.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOther naturally aspirated bolt-on modifications (please specify in your modification list).\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCalibration Includes:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCustom fuel and ignition calibration.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVANOS optimization.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThrottle response adjustments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMAF calibration as required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRPM limiter adjustments where appropriate.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDatalog review and calibration refinement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTwo tuning revisions included.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTuning Requirements:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRemote tuning requires a compatible MS43 flashing interface and the ability to read, write, and datalog the ECU. Customers must provide their current ECU file, complete modification list, and intended fuel octane.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter purchasing, please email your current ECU file and order number to \u003c\/span\u003e\u003ca href=\"mailto:Michael.Leto@lrwtuned.com\"\u003e\u003cstrong\u003e\u003cspan\u003eMichael.Leto@lrwtuned.com\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAdditional Information:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis calibration is intended for naturally aspirated applications only. Turbocharged, supercharged, and extensively modified engine combinations require a separate custom tuning service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower gains will vary depending on engine condition, installed modifications, and fuel quality. All vehicles must be mechanically sound before tuning begins.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease review our \u003c\/span\u003e\u003ca href=\"https:\/\/lrwtuned.com\/pages\/pre-tune-checklist\"\u003e\u003cspan\u003ePre-Tune Checklist\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e before beginning your tuning session.\u003c\/span\u003e\u003c\/p\u003e","brand":"Leto Race Werks","offers":[{"title":"2.5L (M54B25) \/ 91 \/ Launch Control","offer_id":68361642148091,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"2.5L (M54B25) \/ 91 \/ Ignition Cut Limiter","offer_id":68361642180859,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"2.5L (M54B25) \/ 91 \/ Both","offer_id":68361642213627,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true},{"title":"2.5L (M54B25) \/ 91 \/ Neither","offer_id":68361642246395,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"2.5L (M54B25) \/ 93 \/ Launch Control","offer_id":68361642279163,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"2.5L (M54B25) \/ 93 \/ Ignition Cut Limiter","offer_id":68361642311931,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"2.5L (M54B25) \/ 93 \/ Both","offer_id":68361642344699,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true},{"title":"2.5L (M54B25) \/ 93 \/ Neither","offer_id":68361642377467,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"2.8L (M52TUB28 - MS43 Swapped Only) \/ 91 \/ Launch Control","offer_id":68361642410235,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"2.8L (M52TUB28 - MS43 Swapped Only) \/ 91 \/ Ignition Cut Limiter","offer_id":68361642443003,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"2.8L (M52TUB28 - MS43 Swapped Only) \/ 91 \/ Both","offer_id":68361642475771,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true},{"title":"2.8L (M52TUB28 - MS43 Swapped Only) \/ 91 \/ Neither","offer_id":68361642508539,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"2.8L (M52TUB28 - MS43 Swapped Only) \/ 93 \/ Launch Control","offer_id":68361642541307,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"2.8L (M52TUB28 - MS43 Swapped Only) \/ 93 \/ Ignition Cut Limiter","offer_id":68361642574075,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"2.8L (M52TUB28 - MS43 Swapped Only) \/ 93 \/ Both","offer_id":68361642606843,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true},{"title":"2.8L (M52TUB28 - MS43 Swapped Only) \/ 93 \/ Neither","offer_id":68361642639611,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"3.0L (M54B30) \/ 91 \/ Launch Control","offer_id":68361642672379,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"3.0L (M54B30) \/ 91 \/ Ignition Cut Limiter","offer_id":68361642705147,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"3.0L (M54B30) \/ 91 \/ Both","offer_id":68361642737915,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true},{"title":"3.0L (M54B30) \/ 91 \/ Neither","offer_id":68361642770683,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"3.0L (M54B30) \/ 93 \/ Launch Control","offer_id":68361642803451,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"3.0L (M54B30) \/ 93 \/ Ignition Cut Limiter","offer_id":68361642836219,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true},{"title":"3.0L (M54B30) \/ 93 \/ Both","offer_id":68361642868987,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true},{"title":"3.0L (M54B30) \/ 93 \/ Neither","offer_id":68361642901755,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1454\/8475\/files\/downstar-inc-engine-bay-titanium-bmw-e46-2000-2006-dress-up-hardware-kit-46675507675419.jpg?v=1792521786","url":"https:\/\/lrwtuned.com\/products\/bmw-e46-ms43-full-bolt-on-calibration","provider":"Leto Race Werks","version":"1.0","type":"link"}