Precision Raceworks Upgraded Direct Injectors deliver high-flow fueling performance for the BMW B58 Gen 1 engine without requiring port injection or auxiliary controllers. Engineered as a direct-fit replacement, these injectors integrate seamlessly with factory engine management diagnostics and safety routines.
Featuring ethanol compatibility and an OEM-equivalent spray pattern, each injector is statically and dynamically tested to ensure smooth drivability and reliable power delivery. The complete package installs like factory hardware and comes with tuning data for straightforward calibration.
Key Features
| Brand | Precision Raceworks |
| Product Type | Fuel Injectors |
| Engine Compatibility | BMW B58 Gen 1 |
| Fitment Type | Direct Replacement |
| Fuel Compatibility | Ethanol Compatible |
| Spray Pattern | OEM Equivalent |
| Testing | Statically and Dynamically Flow Tested |
| Weight | 2.4 lb |
Highlights
- 35% larger than stock B58 Gen 1
- Direct Fit, no harness or spacers required
- Ethanol Compatible
- OEM equivalent spray pattern
- Every injector is tested statically and dynamically to ensure quality and set batching
- Includes comprehensive installation guide
Compatibility
Compatible with BMW models equipped with the B58 Gen 1 engine, including:
- 2017–2021 BMW M240i / M240i xDrive
- 2016–2019 BMW 340i / 340i xDrive
- 2017–2020 BMW 440i / 440i xDrive
- 2017–2019 BMW 540i / 540i xDrive
- 2018–2019 BMW 640i xDrive
- 2016–2019 BMW 740i / 740i xDrive
- 2018–2019 BMW X3 M40i xDrive
- 2018–2019 BMW X4 M40i xDrive
Warranty
This product is backed by a limited lifetime warranty.
What's included
The package includes the necessary components for installation, including detailed installation instructions.
Frequently asked questions
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