{"product_id":"dorch-engineering-b58-stage-1-hpfp","title":"Dorch Engineering B58 Stage 1 HPFP Fuel Pump Upgrade Kit - BMW M140i M240i 340i","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eDorch Engineering Stage 1 Fueling Upgrade for BMW B58 Engines\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Raise the fueling ceiling on your B58 without compromise. This Dorch Engineering Stage 1 high-pressure direct injection pump delivers the extra flow your tuned BMW needs while keeping stock-like drivability, factory safety strategies and OEM fitment. It is a true bolt-in assembly that uses the original connectors and lines, supports up to 560 wheel horsepower on E10 blends depending on calibration and hardware, and requires no cutting or permanent modification.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    At MJ Modifications we have installed this unit on multiple customer cars and our own shop vehicles. Results have been consistently excellent with smooth idle, strong midrange, rock-solid rail pressure under heavy load and zero warning lights. Customers choose it for its reliability, quality machining and how seamlessly it integrates with common B58 tunes.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey reasons enthusiasts choose this B58 fueling solution\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMore headroom than stock HDP5 Evo and HDP6 pumps for tuned B58 petrol engines\u003c\/li\u003e\n    \u003cli\u003eMaintains full ECU controlled safeguards and cold-start behaviour\u003c\/li\u003e\n    \u003cli\u003eReversible installation using factory-style connectors and brackets\u003c\/li\u003e\n    \u003cli\u003eIdeal for Stage 1 and Stage 2 calibrations on E10 and pump fuel\u003c\/li\u003e\n    \u003cli\u003eCompatible with popular flash platforms including Bootmod3, MHD and MG Flasher\u003c\/li\u003e\n    \u003cli\u003eProven on UK road, dyno and track use for dependable performance\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFlow comparison per camshaft revolution\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHDP5 Evo original equipment: 0.954 cc per rev\u003c\/li\u003e\n    \u003cli\u003eHDP6 later OE unit: 1.178 cc per rev\u003c\/li\u003e\n    \u003cli\u003eDorch Engineering Stage 1: 1.299 cc per rev\u003c\/li\u003e\n    \u003cli\u003eDorch Engineering Stage 2: 1.558 cc per rev\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Values are referenced to the B58 cam lobe profile. Real-world output may vary by engine variant and lobe count.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eTuning and software setup\u003c\/h3\u003e\n  \u003cp\u003e\n    A calibration change is required. With Bootmod3, MHD or MG Flasher simply select the appropriate pump option during the flash process. If you are using custom tuning, email your BIN file to tuning@dorchengineering.com for the necessary changes. Dorch provides this update at no charge for verified customers.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat you receive in the kit\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHigh-pressure DI pump with mounting hardware\u003c\/li\u003e\n    \u003cli\u003eHigh-pressure line\u003c\/li\u003e\n    \u003cli\u003eQuick-connect low-pressure line\u003c\/li\u003e\n    \u003cli\u003eLow-pressure line support bracket\u003c\/li\u003e\n    \u003cli\u003ePlug-in adapter harness\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatible BMW models using the B58 engine\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eF20 F21 140i and M140i including xDrive\u003c\/li\u003e\n    \u003cli\u003eF22 F23 240i and M240i including xDrive\u003c\/li\u003e\n    \u003cli\u003eF30 F31 F34 340i including xDrive\u003c\/li\u003e\n    \u003cli\u003eF32 F33 F36 440i including xDrive\u003c\/li\u003e\n    \u003cli\u003eG30 G31 540i including xDrive\u003c\/li\u003e\n    \u003cli\u003eG32 640i including xDrive\u003c\/li\u003e\n    \u003cli\u003eG11 G12 740i including xDrive\u003c\/li\u003e\n    \u003cli\u003eG01 X3 M40i\u003c\/li\u003e\n    \u003cli\u003eG02 X4 M40i\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Fitment applies to vehicles up to and including model year 2019. Not suitable for 2020 onward B58 applications.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation service\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional fitting is recommended. MJ Modifications in Warwickshire offers in-house installation and setup. Request a fitting quote at info@mjmodifications.co.uk.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch-friendly terms our customers use\u003c\/h3\u003e\n  \u003cp\u003e\n    B58 fueling upgrade UK, BMW M140i fuel pump upgrade, M240i fuel system, 340i fuel pressure pump, 440i direct injection pump, 540i petrol high pressure pump, 640i fuel rail pressure upgrade, 740i DI pump, X3 M40i fuel pump kit, X4 M40i fueling kit, B58 ethanol E10 compatible pump, HDP5 Evo replacement, HDP6 swap, B58TU pump alternative, Stage 1 DI pump, BMW B58 fuel system upgrade, B58 rail pressure upgrade, B58 fuel pump kit UK, Bootmod3 pump option, MHD pump upgrade, MG Flasher pump support, BMW B58 performance fueling.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55975221723522,"sku":"DE-58-1001-14","price":1224.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/B58S2_HPFP_Rev2_800x600__54156.1632745423_12b10fcb-fa88-48e6-aae4-2c52cdcccb08.jpg?v=1763320876","url":"https:\/\/mjmodifications.co.uk\/products\/dorch-engineering-b58-stage-1-hpfp","provider":"MJ Modifications","version":"1.0","type":"link"}