/live/media/SI/SI_FJ645_Fro.jpg)
OE Quality
60-Day Returns
Standard Ignition FJ645 Fuel Injector
Overview of Standard Ignition Fuel Injector FJ645
The Standard Ignition FJ645 is a remanufactured fuel injector designed specifically for BMW 528i models. Featuring a black finish and a top feed system, this MFI injector ensures precise fuel delivery for optimal engine performance.
- Remanufactured MFI fuel injector with black finish
- Top feed system type for efficient fuel flow
- Male blade terminals with two connections
- Compatible with BMW 528i fuel injection systems
- Part number FJ645 for accurate identification
Detailed Product Description
This Standard Ignition fuel injector (part number FJ645) is engineered as a remanufactured component to meet the specifications required by BMW 528i vehicles. The injector uses a multi-point fuel injection (MFI) design, which delivers fuel directly into the intake manifold for improved atomization and combustion efficiency. Its top feed configuration allows for straightforward installation and compatibility with the existing fuel rail setup. The black finish provides corrosion resistance and durability under engine bay conditions. The injector terminals are male blade type with two terminals, ensuring secure electrical connections for reliable operation.
Applications and Common Issues Addressed
- Restores proper fuel delivery in BMW 528i engines
- Resolves rough idling and engine misfires caused by faulty injectors
- Improves fuel efficiency by ensuring accurate fuel metering
- Eliminates hesitation or stalling during acceleration
- Addresses injector leaks or electrical connection failures
Installation Notes and Tips
- Verify compatibility with BMW 528i before installation
- Inspect fuel rail and injector seals for wear or damage
- Use appropriate tools to avoid damaging terminals or injector body
- Ensure electrical connectors are clean and securely attached
- Follow manufacturer torque specifications when reinstalling components
Quality Assurance and Warranty
The Standard Ignition FJ645 fuel injector undergoes a thorough remanufacturing process to restore functionality and reliability. Each unit is tested to meet OEM standards for flow rate and spray pattern. This part is backed by Standard Ignition's warranty coverage, providing assurance of quality and performance for BMW 528i fuel injection system repairs.
| Brand | Standard Ignition |
|---|---|
| Part Number | FJ645 |
| Color | Gray |
| Fuel Injector Type | MFI Injector |
| Fuel Type | Gas |
| Hardware Included | No |
| New or Reman | New |
| Notes | Includes O-Ring |
| O-Rings Included | Yes |
| O.E.M. Replacement | Yes |
| System Type | MFI |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1981 | BMW | 528i | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1980 | BMW | 528i | N/A | Performance fuel injector fits various vehicle makes and models. |
| 1979 | BMW | 528i | N/A | Performance fuel injector fits various vehicle makes and models. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.