Performance Air Filter for BMW 1 Series/ 3 Series/ X1 (2010-2011)

N55 TwinPower Turbo High-Flow Induction | BMC Performance Drop-In Filter

Who It’s For: Engineered for BMW owners running the N55 3.0L turbocharged inline-six powerplant who want to optimize turbo spool and throttle response without hacking up their factory airbox.

The Symptom: The factory intake system on the N55 engine is built with a thick, restrictive paper element designed for maximum sound suppression and long-term service intervals. For a high-performance twin-scroll turbo setup, this creates a significant pressure drop. As the paper filter collects dust, the turbocharger has to work harder to pull air through the media, increasing intake air temperatures and sluggishness when you tip into the throttle at low RPMs.

The Engineering Fix: This BMC filter utilizes a multi-layered cotton gauze soaked in low-viscosity oil, which allows for a much higher CFM (Cubic Feet per Minute) rating compared to OEM paper. By utilizing an epoxy-coated alloy mesh and a "Full Moulding" production process, we eliminate welded joints and potential failure points. The result is a boundary layer of airflow that stays laminar and fast, ensuring the turbocharger reaches target boost pressures with less mechanical strain.

Why Mechanics Choose This Kit

• Enhanced Filtration: While OEM filters stop particles at 10 microns, BMC’s cotton media captures impurities as small as 7 microns without sacrificing flow velocity.
• Structural Integrity: The "Full Moulding" system creates a single-piece housing that won’t crack or warp under the high heat found in the N55 engine bay.
• Sustainable Performance: This isn’t a disposable part. It is fully washable and regenerable, meaning it’s likely the last air filter this chassis will ever need.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• BMW 1 (E81, E82, E87, E88) 135i - 306 HP (2010 >) Chassis: E82, E88
• BMW 3 (E90, E91, E92, E93) 335i - 306 HP (2010 >) Chassis: E90, E91, E92, E93
• BMW X1 (E84) 35ix - 306 HP (2011 >) Chassis: E84
• BMW ALPINA B. BOVENSIEPEN B3 (E90/E91/E92/E93) 3.0 - 400 HP (2010 >) Chassis: E90

Interchange Part Numbers:

FB630/20, FB63020

The Performance Promise

Buy with confidence. This filter is engineered in Italy to meet the rigorous demands of endurance racing and high-performance street use. If you want better throttle snap and a more efficient N55 engine, this is the foundation of your build.