Fuel-It! Kits for BMW G82 M4 S58 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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G8X S58 Flex Fuel Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fuel-It! - Corporate Logo
T#:8061332
Part#: S58FLEXFKIT
Ships on Jul 21, 2026
$ 479.00 USD
Free Shipping on orders $49 and up
This complete flex fuel kit installs in under 30 minutes and reads your exact E85 mixture in the Fuel-It! smartphone app or JB4 app if equipped. Features CNC machined fittings for a quick plug and play installation with nylon sleeved stainless steel braided fuel lines for life long leak free operation. The complete kit includes the following: Genuine Continental ethanol sensor Fuel-It! Bluetooth Universal Analyzer Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components Proprietary custom billet fittings for plug and play OEM integration One wiring harness with Posi-tap connector Supports stand-alone Bluetooth operation with the Fuel-It! app **For the BMW G-series JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI page option 2/3/4 input to enable.
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