OEM Bosch Fuel Injector Replacement Kit - BMW B58 3.0L (Gen1 B58 / B58A)
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Product Details
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 Warning
Kit Contents
| Qty | Description | Brand | 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 | Fuel Injector - Priced Each |
|
T#590868 | 13538625396~BOS | YES |
