Kits for BMW 3 Series F34 (2014+)

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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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JB4PRO Flex Fuel Add On Harness - B58/S58

T#:49822568

Part#: JB4PB58FFAOH

In Stock

$ 49.00 USD

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$ 49.00 USD

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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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OEM Bosch Fuel Injector Replacement Kit - BMW B46/B48 2.0L (Gen1 B46A...

T#:50031891

Part#: BB48AFIRKT

In Stock

$ 356.99 USD

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$ 356.99 USD

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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.

OEM Bosch Fuel Injector Replacement Kit - BMW B58 3.0L (Gen1 B58 / B5...

T#:50031893

Part#: BB58AFIRKT

In Stock

$ 536.99 USD

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$ 536.99 USD

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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.

CTS Turbo B58 Port Fuel Injection Kit - BMW F22/23 F3X B58

T#:50899215

Part#: HW-550

Ships in 7 Business Days

15% off MSRP $ 799.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 679.99 USD

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15% off MSRP

$ 799.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 679.99 USD

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The CTS Turbo B58 Port Injection Kit is designed for the Gen1 B58 engine, offering a seamless integration that looks as if it came factory-installed. This kit includes everything necessary to add multi-port injection, ensuring even fuel distribution across all cylinders. Compatible with popular injectors like 750cc and 950cc, it also supports the controller of your choice, whether you prefer Motiv Reflex or AIC-1. This kit is built for those who demand performance without sacrificing the clean, OEM look under the hood.

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BMW F-Series B58 / B48 - Engine Bay Location - Basic

T#:54852022

Part#: BM3FKKFBX8

Ships in 10 Business Days

$ 499.00 USD

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$ 499.00 USD

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Flex Fuel ECA - Plug And Play - OG Dorch HPFP - F22, F23, F30, F34, F...

T#:55713499

Part#: DE-581-ECA-14OG

Ships in 4 Business Days

$ 549.00 USD

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$ 549.00 USD

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The Dorch Engineering CAN-based Flex Fuel ECA Kit delivers real-time ethanol monitoring directly to your BMW's DME. Designed explicitly for Gen1 B58

Flex Fuel ECA - Plug and Play - TU HPFP - F22, F23, F30, F34, F32, F3...

T#:55713498

Part#: DE-581-ECA-14TU

Ships in 4 Business Days

$ 549.00 USD

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$ 549.00 USD

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The Dorch Engineering CAN-based Flex Fuel ECA Kit delivers real-time ethanol monitoring directly to your BMW's DME. Designed explicitly for Gen1 B58

Flex Fuel ECA - Plug and Play - Dorch HPFP - F22, F23, F30, F34, F32,...

T#:55713497

Part#: DE-581-ECA-14

Ships in 4 Business Days

$ 549.00 USD

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$ 549.00 USD

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The Dorch Engineering CAN-based Flex Fuel ECA Kit delivers real-time ethanol monitoring directly to your BMW's DME. Designed explicitly for Gen1 B58

Genuine BMW Fuel Injector Replacement Kit - BMW B58 3.0L (Gen1 B58 / ...

T#:50031892

Part#: B58AFIRKT

Ships in 1-2 days

$ 2,288.99 USD

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$ 2,288.99 USD

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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.

Genuine BMW Fuel Injector Replacement Kit - BMW B46/B48 2.0L (Gen1 B4...

T#:50031890

Part#: B48AFIRKT

Ships in 1-2 days

$ 1,524.99 USD

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$ 1,524.99 USD

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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.

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