Kits for BMW G42 M240i B58 3.0L

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BMW fuel system kits provide a comprehensive solution for maintaining and upgrading the fuel delivery system, ensuring optimal engine performance and efficiency. Over time, fuel pumps, injectors, filters, and pressure regulators can wear out, leading to poor fuel economy, hard starts, misfires, and engine hesitation. Common problems include clogged fuel injectors, failing fuel pumps, and fuel pressure inconsistencies, which can result in rough idling and reduced power. Upgrading or replacing worn components with a complete BMW fuel system kit restores proper fuel flow, enhances throttle response, and improves overall drivability. Our selection of OEM and high-performance BMW fuel system kits includes everything needed for a reliable fuel system refresh, ensuring a precise fit and long-lasting durability for a wide range of BMW models.
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OEM Bosch Fuel Injector Replacement Kit - BMW B58 3.0L (Gen2 B58C B58...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bosch - Corporate Logo
T#:51356042
Part#: BB58G2FIRKT
Ships in 1 Business Day
New Item
$ 990.99

This product was last offered at the strikethrough price on
03-31-2026

$ 740.99 USD
Free Shipping on orders $49 and up
$ 740.99 USD
Free Shipping on orders $49 and up
This Fuel Injector Replacement Kit includes new injectors and hardware to service your fuel injection system, eliminating rough idle, low power, and check engine lights due to faulty fuel injectors.
JB4PRO Flex Fuel Add On Harness - B58/S58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Burger Motorsports - Corporate Logo
T#:49822568
Part#: JB4PB58FFAOH
In Stock
New Item
$ 49.00 USD
Free Shipping on orders $49 and up
Take your B58 or S58 build further with the JB4PRO Flex Fuel Add-On Harness—a simple, plug-and-play way to add an ethanol sensor and optional fuel pressure sensor to your JB4PRO setup. Keep your install clean, your wiring organized, and your tune dialed to match every fuel blend in the tank. Why it matters: Plug & Play: Connects directly to your JB4PRO—no cutting or splicing required. Sensor Ready: Supports ethanol and fuel pressure sensors for precise, real-time fueling adjustments. Clean, Safe Installation: Includes a 12 V adapter and inline fuse for hassle-free integration. How it works: This harness links your JB4PRO tuner to your flex fuel hardware. It’s not a complete flex fuel kit—you still need a compatible ethanol sensor—but it gives your JB4PRO the accurate readings it needs to adjust timing, boost, and fueling for E30, E50, or E85 blends.
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Flex Fuel ECA - Plug and Play - Dorch HPFP - G42, G20, G22, G23, G26,...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55713510
Part#: DE-582-ECA-241
Special Order: No Guaranteed ETA
New Item
$ 549.00 USD
$ 549.00 USD
This hardware package gives your BMW powerplant the ability to scale output dynamically based on your exact ethanol blend. No more draining the tank or flashing different maps at the gas station

Flex Fuel ECA - Plug and Play - OEM HPFP - G42, G20, G22, G23, G26, G...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dorch Engineering - Corporate Logo
T#:55713511
Part#: DE-582-ECA-242
Special Order: No Guaranteed ETA
New Item
$ 549.00 USD
$ 549.00 USD
This hardware package gives your BMW powerplant the ability to scale output dynamically based on your exact ethanol blend. No more draining the tank or flashing different maps at the gas station

Genuine BMW Fuel Injector Replacement Kit - BMW B58 3.0L (Gen2 B58C B...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:51356037
Part#: B58G2FIRKT
Ships in 1 day
New Item
$ 2,209.99 USD
Free Shipping on orders $49 and up
$ 2,209.99 USD
Free Shipping on orders $49 and up
This Fuel Injector Replacement Kit includes new injectors and hardware to service your fuel injection system, eliminating rough idle, low power, and check engine lights due to faulty fuel injectors.