IPOSMotosport OEM Gen 1 B4x/B58 DI Injectors

If you're running a BMW Gen 1 B48 or B58engine—especially one that's high-mileage or tuned for ethanol blends—it’s critical to ensure your fuel system remains in top condition. IPOSMotorsportoffers brand-new OEM Bosch direct injection (DI) injectorsto replace aging or faulty stock units.

These are not upgraded injectors, but rather genuine OEM replacementsdesigned to restore your fuel system’s reliability, efficiency, and performance. With increasing age and ethanol usage, factory B-series injectorsare prone to wear and failure, which can lead to misfires, performance issues, and poor drivability. Regular servicing or replacement is strongly recommendedfor tuned or ethanol-fueled engines.

Key Features:

• OEM Bosch DI injector – exact replacement for stock Gen 1 B48 and B58 engines

• Ideal for high-mileageor ethanol-tunedbuilds

• Helps prevent fuel-related issues such as misfires or injector failure

• Plug-and-play installation with factory components

• Price is per injector – order as needed to complete your set

• Suitable for routine maintenance or performance rebuilds

Vehicle Fitment:

• Gen 1 BMW B484-cylinder turbo engines

• Gen 1 BMW B586-cylinder turbo engines
  (Please confirm compatibility with your specific model and year)

Maintenance Tip:

If you’re running E30-E85 blends, or your vehicle has over 60k mileswith aggressive tuning, now is the time to service or replace your injectors to avoid fuel delivery issues down the road.

Keep your B-series engine running strong with fresh OEM injectors from IPOSMotorsport. Reliable performance starts with proper fueling.