aFe MagnumForce Stage 2 Si Intake System PDS 06-11 BMW 3 Series E9x L6 3.0L Non-Turbo
This is a cold air intake upgrade designed specifically for non-turbo BMW 3 Series E9x models with the 3.0L naturally aspirated engine (N52/N53).
🔧 Key Features
✅ Improved Power & Torque
- Increases airflow significantly over the stock system — boosting power by up to ~12 HP and ~15 lb-ft of torque.
✅ Higher Airflow Efficiency
- Outflows the factory intake by around 56%, allowing the engine to breathe better.
✅ Sealed Intake Design
- Fully sealed airbox helps reduce intake of warm engine bay air for denser, cooler air intake.
✅ High-Flow Filter
- Includes a washable/reusable 6” conical air filter with inverted top (Pro DRY S dry filter) for easy maintenance and long life.
✅ Fit & Finish
- Attractive vacuum-formed ABS plastic cover (often with carbon-fiber look) for a clean underhood appearance.
🚗 Compatibility
Fits these BMW 3 Series models with 3.0L non-turbo inline-6 engines (typically N52/N53):
- BMW 128i (2008–2013)
- BMW 325i / 325xi (2006)
- BMW 328i / 328xi (2007–2013)
- BMW 330i / 330xi / 330Ci (2006)
Note: Some listings extend to model years up to 2013 since the E9x platform didn’t change significantly for this intake fitment.
🛠️ Installation & Usage
- Bolt-on install using existing factory mounting locations. No cutting or drilling required.
- No ECU tuning needed for basic installation (though tuning may optimize gains).
- Expect noticeable throttle response improvement and a more efficient intake flow.
🔎 General Notes
- Power gains are modest but solid for a naturally aspirated engine without other mods.
- Users often report better throttle feel and a slight improvement in engine sound.
- Filter is reusable and only requires periodic cleaning.
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