1200cc Bosch EV14 Fuel Injectors – BMW E46 M3 (S54) – Flow‑Matched SouthBay Set

Upgrade the fueling system of your BMW E46 M3 (S54 3.2L) with a brand‑new, flow‑matched set of 1200cc Bosch EV14 high‑impedance fuel injectors from SouthBay. Engineered for high‑output builds, these injectors deliver exceptional atomization, fast response, and consistent cylinder‑to‑cylinder fueling — critical for boosted, ethanol, and track‑driven S54 engines.

Injector Features

• 1200cc/min Flow Rate – supports high‑boost turbo/supercharged S54 builds

• Bosch EV14 High‑Impedance Core – stable low‑pulse control, crisp idle, superior atomization

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

• Stainless‑Steel Internals – fully E85/flex‑fuel compatible

• Fast Linear Response – optimized for modern standalone and factory ECUs

  • Includes Extensions & Clips – plug‑and‑play fitment 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 (significant upgrade to 1200cc for forced induction)

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

  • • Ideal For:

      • Turbocharged S54 builds

      • Supercharged kits (ESS, VF, AA, custom)

      • E50–E85 ethanol conversions

      • High‑RPM track cars

      • Big‑power street builds requiring stable fueling

    Why Bosch EV14?

    Bosch EV14 injectors are the industry benchmark for high‑performance fueling. Their high‑impedance design ensures compatibility with OEM and aftermarket ECUs, while their ultra‑fast opening/closing characteristics maintain excellent drivability even at large flow rates.

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  • Electrical Connector: USCAR / EV6

  • Spray Pattern: Multi‑hole, high‑atomization

  • Coil Resistance: High impedance (12–16 ohms)

  • Operating Pressure: 43.5 psi (3 bar) baseline; scalable to 8 bar

  • Dead Time / Latency: Bosch EV14 standard curve (tuner‑friendly)

  • Fuel Compatibility: Pump gas, race gas, E85, methanol blends

  • Body Style: Compact EV14

  • Dynamic Range: Excellent low‑pulse control for large‑flow injectors

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  • Included

    • (6) 1200cc Bosch EV14 Injectors

    • (6) Plug‑and‑Play Extensions

    • (6) Clips

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