Nostrum – 3.0L BMW S55-N55 Stage 2 DI Injectors (H703-1257)

Nostrum – 3.0L BMW S55-N55 Stage 2 DI Injectors (H703-1257)

Nostrum – 3.0L BMW S55-N55 Stage 2 DI Injectors (H703-1257)

• 55% larger flow than stock S55 injectors

• 12% larger flow than EU5 M5 injectors

• Direct fit — no harness or spacers required

• OEM decoupling rings pre-installed

• Ethanol compatible

• OEM-equivalent spray pattern

• Every injector tested statically and dynamically for quality and flow matching

• Includes comprehensive installation guide

• Compatible with Bootmod3 dropdown — expertly developed and validated by Nostrum

What’s Inside the Box?

• Six tested, flow-matched injectors

• OEM decoupling rings pre-installed

• Detailed installation and QuickStart guides

• Data card with serial numbers

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