Bosch OEM Bosch Fuel Injector Replacement Kit - BMW S58 3.0L bs58firKT

OEM Bosch Fuel Injector Replacement Kit - BMW S58 3.0L

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.
Bosch Bosch
T#: 51426465 | Part#: bs58firKT
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OEM Bosch Fuel Injector Replacement Kit - BMW S58 3.0L
$267.99

The fuel injectors in your BMW are the cornerstone of its high-pressure direct injection (DI) system. Unlike traditional port-injection setups, DI injectors are seated directly within the combustion chamber. This configuration allows for a highly atomized fuel mist and precise timing, but it also subjects the injector tips to extreme thermal loads, high cylinder pressures, and consistent carbon fouling.

Over time, these harsh operating conditions degrade the injector’s internal tolerances and nozzle integrity. This degradation results in compromised spray patterns and inaccurate fuel metering, which can manifest as:

  • Reduced Power Output - Inefficient combustion due to poor atomization
  • Fuel Trim Imbalances - Lean or rich running conditions that can trigger "Check Engine" lights
  • Drivability Issues - Rough idling, erratic acceleration, or persistent misfires
  • Decreased Efficiency - Noticeable drops in fuel economy

When one injector fails, the remaining injectors are likely nearing the end of their service life as well. This Fuel Injector Replacement Kit is designed to provide a complete service to the fuel injection system.

Since BMW classifies the majority of the high-pressure fuel system hardware as single-use (stretch) bolts, reusing old fasteners can lead to improper torque-to-yield specs and potential fuel leaks. To ensure a professional-grade installation, we have bundled the injectors with all the required Genuine BMW hardware.

Kit Components

  • OEM Bosch Fuel Injectors - Direct-replacement units calibrated for factory-spec flow and atomization
  • Genuine BMW Fuel Rail Mounting Bolts -  Critical for maintaining the structural integrity of the high-pressure rail
  • Genuine BMW Injector Bracket Bolts -  Ensures precise injector alignment and seating
  • Genuine BMW High-Pressure Fuel Pump (HPFP) Bolts - Necessary for any service requiring the removal of the high-pressure lines

Prop 65 WarningProp 65 Warning
Qty Description T# Part# Lifetime
2 Genuine BMW High Pressure Fuel Pump Mounting Bolt - M6X25-U1 - BMW N20 N55 B38 B48 B58 T#207714 13517632572~OEM YES
8 Genuine BMW Fuel Injection Fuel Rail Bolt - BM6X70-8.8 - BMW MINI B38 B46 B48 B58 (Gen 1 2 & 3) T#525919 13538661715 YES
12 Genuine BMW Fuel Injector Bracket Screw - 5X30-10.9 - BMW MINI B38 B46 B48 B58 (Gen 1 2 & 3) T#541393 13538661716 YES
6 OEM Bosch Fuel Injector - BMW S58 B48E T#51391239 0261500502~BOS YES

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MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW F97 X3 M S58 3.0L Use vehicle selector to confirm fitment
BMW F98 X4 M S58 3.0L Use vehicle selector to confirm fitment
BMW G80 M3 S58 3.0L Use vehicle selector to confirm fitment
BMW G80 M3 Competition S58 3.0L Use vehicle selector to confirm fitment
BMW G80 M3 Competition xDrive S58 3.0L Use vehicle selector to confirm fitment
BMW G82 M4 S58 3.0L Use vehicle selector to confirm fitment
BMW G82 M4 Competition S58 3.0L Use vehicle selector to confirm fitment
BMW G82 M4 Competition xDrive S58 3.0L Use vehicle selector to confirm fitment
BMW G83 M4 Competition xDrive S58 3.0L Use vehicle selector to confirm fitment
BMW G87 M2 S58 3.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.