850cc Bosch EV14 Fuel Injectors – BMW E9X M3 (S65) – SouthBay Flow‑Matched Set

Unlock the fueling potential of your BMW E9X M3 (S65 4.0L V8) with a brand‑new, flow‑matched set of 850cc Bosch EV14 high‑impedance fuel injectors from SouthBay. These injectors deliver exceptional atomization, fast response, and consistent cylinder‑to‑cylinder fueling — essential for high‑performance S65 applications.

Injector Features

• 850cc/min Flow Rate – ideal for tuned NA or mild‑to‑moderate boost S65 builds

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

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

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

• Stable Low‑Pulse Control – maintains OEM‑like drivability even at larger flow rates

• Plug‑and‑Play Fitment – includes proper extensions/clips for E9X M3 harness geometry

BMW E9X M3 (S65) Technical Fitment

• Engine: S65B40 4.0L V8

• Model Years: 2008–2013 BMW M3 (E90/E92/E93)

• Injection Type: Sequential multi‑port injection

• OEM Injector Size: ~240cc (850cc is a major upgrade for tuned or boosted setups)

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

• Ideal For:

  • Bolt‑on S65 builds

  • Mild‑to‑moderate supercharger/turbo systems

  • E50–E85 conversions

  • Track, street, and roll‑race applications

Why 850cc Bosch EV14?

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

Included

• (8) 850cc Bosch EV14 Injectors

• Plug‑and‑Play Extensions

• Clips

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