BMC FB577/08 Cylindrical Air Filter for 2007-2009 BMW M3 4.0L V8 E90 E92 E93

Vehicle Fitment

• 2007-2009 BMW M3 Sedan (E90, American Market, 4.0L V8 S65, 420 HP)
• 2007-2009 BMW M3 Coupe (E92, American Market, 4.0L V8 S65, 420 HP)
• 2007-2009 BMW M3 Convertible (E93, American Market, 4.0L V8 S65, 420 HP)

Fitment Notes

• American Market vehicles only - airbox configuration differs between US-spec and European-spec E9X M3 models; confirm your market before ordering
• Year range is 2007 through September 2009 only - a separate BMC filter is required for 2010-2013 E9X M3 vehicles; the airbox design changed between these two production periods and the filters are not interchangeable
• Does not fit the BMW E91 M3 Touring - the E91 M3 was not offered in the American market and is not covered by this filter
• Replaces BMW OEM air filter part numbers: 13727838805 and 13727838804
• Cylindrical "Unique" form factor - this is not a flat panel filter; it is a cylindrical element with an integrated frame designed to fit the OEM airbox of the E9X M3 S65 V8
• Filter arrives pre-oiled and ready to install; re-oiling with BMC regeneration kit is required after each wash cycle

Features

• Cylindrical "Unique" filter design with integrated frame - engineered as a precise, direct-fit drop-in replacement for the BMW E9X M3 S65 V8 OEM airbox without any modification
• Multi-layered oiled cotton gauze filtration medium provides significantly greater airflow than the OEM paper filter while achieving finer particle capture - filtering impurities down to 7 microns versus 10 microns for stock paper filters
• Epoxy-coated alloy mesh outer layer protects the cotton gauze from petrol fumes, humidity-related oxidization, and physical distortion during high-RPM operation
• "Full Moulding" single-piece construction - the red rubber frame is formed from a single continuous mould with no welded seams, eliminating joint failure and air-bypass risk over time
• Long-life, highly durable rubber seal frame ensures a complete, gap-free fit within the OEM airbox housing for all three E9X M3 body styles (sedan, coupe, convertible)
• Fully washable and reusable - serviceable with BMC's dedicated regeneration kit, restoring full filtration performance after each cleaning cycle for the life of the vehicle
• Pre-oiled at the factory and ready to install out of the box - no additional preparation required before first use
• 98.5% filtration efficiency, protecting S65 V8 engine components including the air flow meter, injectors, valves, and piston rings from harmful particulate ingestion
• Backed by a 2-year limited warranty from BMC - an Italian manufacturer with OEM supply credentials including Ferrari Formula 1, Porsche Motorsports, Mercedes-Benz F1, and Audi Motorsports

Specifications

• Part Number: FB577/08
• Filter Type: Unique (cylindrical with integrated frame - direct OEM airbox replacement)
• Filter Material: Multi-layered oiled cotton gauze with epoxy-coated alloy mesh
• Outside Width (mm): 122
• Outside Length (mm): 220
• Height (mm): 214
• Filtration Particle Size: 7 microns (vs OEM 10 microns)
• Filtration Efficiency: 98.5%
• Washable / Reusable: Yes
• Pre-Oiled: Yes
• OEM Cross Reference: BMW 13727838805 / BMW 13727838804
• EAN: 8032872864888
• Warranty: 2 Years Limited
• Package Contents: 1 air filter
• Market: American Market (US-spec E9X M3 only)

Included Components

• 1x BMC FB577/08 Oiled Cotton Cylindrical Air Filter with Frame (pre-oiled, ready to install)

Product Description

The BMC FB577/08 is a direct-fit cylindrical performance air filter engineered specifically for the American-market BMW E9X M3 equipped with the 4.0L S65 naturally aspirated V8 engine, covering the E90 sedan, E92 coupe, and E93 convertible body styles from the 2007 model year through September 2009. As a replacement for BMW OEM filter numbers 13727838805 and 13727838804, this filter installs directly into the factory airbox without any modification - delivering an immediate upgrade in both airflow capacity and filtration efficiency over the stock paper element. The multi-layered oiled cotton gauze medium, reinforced with an epoxy-coated alloy mesh outer shell, achieves filtration down to 7 microns compared to the 10-micron rating of OEM paper filters, protecting the S65's precision internal components - including the air mass sensor, injectors, valves, and piston rings - from fine particulate ingestion while simultaneously reducing intake restriction across the full RPM range.

BMC classifies this filter in their "Unique" category due to its cylindrical form factor and integrated frame, which is purpose-shaped to match the exact geometry of the E9X M3 S65 airbox housing. The "Full Moulding" construction process creates the red rubber frame from a single continuous mould - no welded joints, no assembly seams - ensuring the filter maintains a complete perimeter seal against the airbox walls through extended high-RPM use. Buyers should note that this filter covers the 2007-2009 production period only; the airbox configuration was revised for 2010-2013 E9X M3 models, and a separate BMC filter is required for those vehicles. The filter is pre-oiled and ready to install out of the box, and it is fully washable and reusable with BMC's regeneration kit - making it a lifetime filtration solution. BMC's motorsport heritage, including OEM supply relationships with Ferrari Formula 1, Porsche Motorsports, and Audi Motorsports, underpins the engineering standard applied to every filter in their lineup.