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European Performance Filters

BMC Air Filter FB479/20 – BMW 1 / 3 / X1 Diesel

BMC Air Filter FB479/20 – BMW 1 / 3 / X1 Diesel

SKU:FB479/20

Regular price $92.40 USD
Regular price Sale price $92.40 USD
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High-Flow, OEM-Fit Panel Filter for BMW Diesel Platforms

The BMC Air Filter FB479/20 is a precision drop-in panel filter for popular BMW diesel applications across the E8x 1 Series, E9x 3 Series, and E84 X1. Using BMC’s Full-Moulding red rubber frame and multi-layer oiled cotton gauze backed by epoxy-coated mesh, it increases intake efficiency while filtering down to ~7 µm (tighter than typical OEM paper ~10 µm). Installs directly in the factory airbox—no cutting or tuning required.

Why Choose the BMC FB479/20 Air Filter?

  • Airflow + Filtration: Higher intake volume while capturing fine particulates (≈7 µm).
  • Washable & Reusable: Service with the BMC regeneration kit—ditch disposable paper filters.
  • Full-Moulded Seal: One-piece red rubber frame for rigidity and long-term sealing.
  • OEM Drop-In Fitment: Direct replacement—no modifications needed.
  • Durable Construction: Epoxy-coated mesh resists fuel vapors and oxidation.

Fitment & Vehicle Compatibility

OEM Cross Reference BMW 13717797465
Compatible Models BMW 1 Series (E81/E82/E87/E88) — diesel variants incl. 116d/118d/120d family (N47)

BMW 3 Series (E90/E91/E92/E93) — 316d/318d/320d/325d/330d/335d (N47 & M57)

BMW X1 (E84) — 16d/18d/20d/23d/25d (RWD & xDrive)

ALPINA D3 (E90/E91/E92) — 2.0 Bi-Turbo diesel (N47)
Filter Type Panel (single element)
Dimensions (mm) Length 303 × Width 235 (trapezoidal footprint)
Media / Material Pre-oiled multi-layer cotton gauze with epoxy-coated alloy mesh
Filtration Efficiency ~7 µm (vs. ~10 µm typical OEM paper)
Washable / Reusable Yes — compatible with BMC regeneration kit
Package Contents 1 × BMC Panel Air Filter (FB479/20)
Warranty 2-Year Limited Coverage

Applications and OEM cross-refs verified against BMC’s official listing and multiple BMW specialists. Always confirm via VIN and airbox before purchase.

The BMC Advantage

Motorsport-proven materials and construction deliver smoother airflow, crisp response, and long-term value—while preserving OEM reliability in your BMW diesel.

Need installation tips? Visit our Installation Guide or explore the full BMW Air Filter Collection.

Equip your BMW with the BMC FB479/20 air filter — engineered for airflow, protection, and endurance.

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