{"product_id":"bmw-b58-custom-tune","title":"BMW B58 Custom Tune","description":"\u003cp\u003e\u003cstrong\u003eGAP Tuning – BMW B58 Custom ECU Tune\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlock the full potential of your BMW's B58 turbocharged inline-six engine with a custom ECU tune from GAP Tuning. Our tunes are precision-crafted on a per-vehicle basis, optimizing boost pressure, ignition timing, fuel delivery, and throttle response to deliver maximum power, torque, and drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Application:\u003c\/strong\u003e\u003cbr\u003eCompatible with all BMW vehicles equipped with the B58 3.0L turbocharged inline-six engine, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 1 Series (F40) – 128ti, M135i\u003c\/li\u003e\n\u003cli\u003eBMW 2 Series (F44\/G42) – M235i, M240i\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series (G20\/G21) – 340i, M340i\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series (G22\/G23\/G26) – 440i, M440i\u003c\/li\u003e\n\u003cli\u003eBMW 5 Series (G30\/G31) – 540i, M550i\u003c\/li\u003e\n\u003cli\u003eBMW 6 Series (G32) – 640i\u003c\/li\u003e\n\u003cli\u003eBMW 7 Series (G11\/G12) – 740i, 740Li\u003c\/li\u003e\n\u003cli\u003eBMW 8 Series (G14\/G15\/G16) – 840i, M850i\u003c\/li\u003e\n\u003cli\u003eBMW X3 (G01) – M40i\u003c\/li\u003e\n\u003cli\u003eBMW X4 (G02) – M40i\u003c\/li\u003e\n\u003cli\u003eBMW X5 (G05) – 40i, M50i\u003c\/li\u003e\n\u003cli\u003eBMW X6 (G06) – 40i, M50i\u003c\/li\u003e\n\u003cli\u003eBMW X7 (G07) – 40i\u003c\/li\u003e\n\u003cli\u003eBMW Z4 (G29) – M40i\u003c\/li\u003e\n\u003cli\u003eToyota Supra (A90) – GR Supra 3.0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTune Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo:\u003c\/strong\u003e Available for Stock Turbo, Upgraded Turbo, or Full Frame (Top\/Bottom Mount) turbo setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFueling:\u003c\/strong\u003e Supports Stock Direct Injection (DI) or Port Injection with Reflex (PI\/DI combo)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlex Fuel:\u003c\/strong\u003e Optional flex fuel calibration available for E30–E85 ethanol blends\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom ECU calibration tailored to your specific vehicle and modifications\u003c\/li\u003e\n\u003cli\u003eOptimized boost, timing, and fueling maps\u003c\/li\u003e\n\u003cli\u003eFlex fuel map (if selected)\u003c\/li\u003e\n\u003cli\u003eOngoing revision support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSelect your configuration from the options above and place your order. Our team will reach out to gather your vehicle details and modification list to begin your custom calibration.\u003c\/p\u003e","brand":"GAP tuning","offers":[{"title":"Stock \/ Stock DI \/ No","offer_id":45575911374983,"sku":null,"price":450.0,"currency_code":"USD","in_stock":true},{"title":"Stock \/ Stock DI \/ Yes","offer_id":45575911407751,"sku":null,"price":550.0,"currency_code":"USD","in_stock":true},{"title":"Stock \/ PI Integration (Reflex +) \/ No","offer_id":45575911440519,"sku":null,"price":550.0,"currency_code":"USD","in_stock":true},{"title":"Stock \/ PI Integration (Reflex +) \/ Yes","offer_id":45575911473287,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true},{"title":"Upgraded \/ Hybrid \/ Stock DI \/ No","offer_id":45575911506055,"sku":null,"price":500.0,"currency_code":"USD","in_stock":true},{"title":"Upgraded \/ Hybrid \/ Stock DI \/ Yes","offer_id":45575911538823,"sku":null,"price":600.0,"currency_code":"USD","in_stock":true},{"title":"Upgraded \/ Hybrid \/ PI Integration (Reflex +) \/ No","offer_id":45575911571591,"sku":null,"price":600.0,"currency_code":"USD","in_stock":true},{"title":"Upgraded \/ Hybrid \/ PI Integration (Reflex +) \/ Yes","offer_id":45575911604359,"sku":null,"price":700.0,"currency_code":"USD","in_stock":true},{"title":"Full Frame (Top\/Bottom Mount \/ Stock DI \/ No","offer_id":45575911637127,"sku":null,"price":550.0,"currency_code":"USD","in_stock":true},{"title":"Full Frame (Top\/Bottom Mount \/ Stock DI \/ Yes","offer_id":45575911669895,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true},{"title":"Full Frame (Top\/Bottom Mount \/ PI Integration (Reflex +) \/ No","offer_id":45575911702663,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true},{"title":"Full Frame (Top\/Bottom Mount \/ PI Integration (Reflex +) \/ Yes","offer_id":45575911735431,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/2366\/8615\/files\/B58.jpg?v=1787138639","url":"https:\/\/gaptuning.com\/products\/bmw-b58-custom-tune","provider":"GAP tuning","version":"1.0","type":"link"}