550cc Bosch EV14 Fuel Injectors – BMW E46 M3 (S54) – SouthBay Flow‑Matched Set

Upgrade your BMW E46 M3 (S54 3.2L) with a brand‑new, flow‑matched set of 550cc Bosch EV14 high‑impedance fuel injectors from SouthBay. These injectors deliver precise atomization, fast response, and consistent cylinder‑to‑cylinder fueling — perfect for tuned, bolt‑on, or mild‑boost S54 applications.

Your Magento admin shows this product listed as High Performance, priced at $495, with 100 units in stock .

Injector Features

• 550cc/min Flow Rate – ideal for tuned NA or mild‑boost S54 builds

• Bosch EV14 High‑Impedance Core – crisp idle, excellent atomization, fast response

• Flow‑Matched to ±1% – ensures balanced AFRs and smooth operation across all six cylinders

• E85 & Oxygenated Fuel Compatible – stainless‑steel internals resist corrosion

• Stable Low‑Pulse Control – maintains OEM‑like drivability

• Plug‑and‑Play Fitment – includes proper extensions/clips for E46 M3 harness geometry

BMW E46 M3 (S54) Technical Fitment

• Engine: S54B32 3.2L inline‑six

• Model Years: 2001–2006 BMW M3 (E46)

• Injection Type: Sequential multi‑port injection

• OEM Injector Size: ~240cc (550cc is a solid upgrade for tuned setups)

• ECU Compatibility: Works with factory DME when tuned for larger injectors

• Ideal For:

  • Bolt‑on S54 builds

  • Mild supercharger/turbo setups

  • E50–E85 conversions

  • Track, street, and drift applications

Why 550cc Bosch EV14?

Bosch EV14 injectors are the industry standard for performance fueling. Their high‑impedance design ensures compatibility with OEM and standalone ECUs, while their ultra‑fast opening/closing characteristics maintain excellent drivability.

Included

• (6) 550cc Bosch EV14 Injectors

• (6) Plug‑and‑Play Extensions

• (6) Clips

• Flow‑match data sheet (±1% verified)