Hengst E977LB Cabin Air Filter

Brand Hengst E977LB
Fits BMW · 71 vehicles

Cabin air filter. Filters incoming air for the HVAC system.

Biological media. Helps capture contaminants in the cabin air stream.

Cross-references 64 31 9 071 935, 64 31 9 216 590 and 64 31 9 257 504 for the same application. See all 3.

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Hengst E977LB Cabin Air Filter

The Hengst E977LB is a cabin air filter for BMW applications that use biofunctional filter material. It is built for BMW X3, 3 Series coupe and sedan models, and Z3 fitments where the OE specification calls for a biological cabin air filter.

  • Biological filter media for cabin air filtration
  • Direct-fit replacement for select BMW HVAC filter applications
  • Matches OE-style biofunctional material requirements
  • Part number: E977LB

Fitment Details

Compatible With BMW models that specify biofunctional material cabin air filters. Fits 2004-2010 BMW X3, N/A. Fits 2001-2006 BMW 325Ci, N/A. Fits 2001-2006 BMW 330Ci, N/A. Fits 2001-2006 BMW M3, N/A. Fits 2001-2005 BMW 320i, N/A. Fits 2001-2005 BMW 325i, N/A. Fits 2001-2005 BMW 325xi, N/A. Fits 2001-2005 BMW 330i, N/A. Fits 2001-2005 BMW 330xi, N/A. Fits 2002 BMW Z3, N/A. Fits 2001 BMW 323i, N/A. Fits 2000 BMW 323Ci, N/A. Fits 1999-2000 BMW 323i, N/A. Fits 2000 BMW 328Ci, N/A. Fits 1999-2000 BMW 328i, N/A. Fits 1999 BMW 323is, N/A. Fits 1999 BMW 328is, N/A.

What It Helps Address

  • Reduced cabin air filtration performance from a loaded or aged filter
  • Dust and airborne debris entering the HVAC intake
  • Odors and contaminants affecting interior air quality
  • Restricted airflow through the climate control system

Installation Notes

Verify the vehicle’s OE cabin filter specification before ordering, especially on BMW models that use biofunctional material media. Confirm the part number E977LB against the existing filter or service catalog listing to ensure the correct HVAC application.

Quality Assurance

Hengst is an established filtration brand, and this cabin air filter is built to meet the OE-style requirements for the listed BMW applications. Cross-reference part numbers include 64 31 9 071 935 and 64 31 9 257 504 for the same application.

This part fits 71 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2010BMWX33.0LL6N/ACompatible with biofunctional material cabin air filters.
2010BMWX32.5LL6N/ACompatible with biofunctional material cabin air filters.
2009BMWX33.0LL6N/ACompatible with biofunctional material cabin air filters.
2009BMWX32.5LL6N/ACompatible with biofunctional material cabin air filters.
2008BMWX33.0LL6N/ACompatible with biofunctional material cabin air filters.
2008BMWX32.5LL6N/ACompatible with biofunctional material cabin air filters.
2007BMWX33.0LL6N/ACompatible with biofunctional material cabin air filters.
2007BMWX32.5LL6N/ACompatible with biofunctional material cabin air filters.
2006BMW325Ci2.5LL6N/ACompatible with biofunctional material cabin air filters.
2006BMW330Ci3.0LL6N/ACompatible with biofunctional material cabin air filters.
2006BMWM33.2LL6N/ACompatible with biofunctional material cabin air filters.
2006BMWX33.0LL6N/ACompatible with biofunctional material cabin air filters.
2006BMWX32.5LL6N/ACompatible with biofunctional material cabin air filters.
2005BMW320i2.2LL6N/ACompatible with biofunctional material cabin air filters.
2005BMW325Ci2.5LL6N/ACompatible with biofunctional material cabin air filters.
2005BMW325i2.5LL6N/ACompatible with biofunctional material cabin air filters.
2005BMW325xi2.5LL6N/ACompatible with biofunctional material cabin air filters.
2005BMW330Ci3.0LL6N/ACompatible with biofunctional material cabin air filters.
2005BMW330i3.0LL6N/ACompatible with biofunctional material cabin air filters.
2005BMW330xi3.0LL6N/ACompatible with biofunctional material cabin air filters.
2005BMWM33.2LL6N/ACompatible with biofunctional material cabin air filters.
2005BMWX33.0LL6N/ACompatible with biofunctional material cabin air filters.
2005BMWX32.5LL6N/ACompatible with biofunctional material cabin air filters.
2004BMW320i2.2LL6N/ACompatible with biofunctional material cabin air filters.
2004BMW325Ci2.5LL6N/ACompatible with biofunctional material cabin air filters.
2004BMW325i2.5LL6N/ACompatible with biofunctional material cabin air filters.
2004BMW325xi2.5LL6N/ACompatible with biofunctional material cabin air filters.
2004BMW330Ci3.0LL6N/ACompatible with biofunctional material cabin air filters.
2004BMW330i3.0LL6N/ACompatible with biofunctional material cabin air filters.
2004BMW330xi3.0LL6N/ACompatible with biofunctional material cabin air filters.
2004BMWM33.2LL6N/ACompatible with biofunctional material cabin air filters.
2004BMWX33.0LL6N/ACompatible with biofunctional material cabin air filters.
2004BMWX32.5LL6N/ACompatible with biofunctional material cabin air filters.
2003BMW320i2.2LL6N/ACompatible with biofunctional material cabin air filters.
2003BMW325Ci2.5LL6N/ACompatible with biofunctional material cabin air filters.
2003BMW325i2.5LL6N/ACompatible with biofunctional material cabin air filters.
2003BMW325xi2.5LL6N/ACompatible with biofunctional material cabin air filters.
2003BMW330Ci3.0LL6N/ACompatible with biofunctional material cabin air filters.
2003BMW330i3.0LL6N/ACompatible with biofunctional material cabin air filters.
2003BMW330xi3.0LL6N/ACompatible with biofunctional material cabin air filters.
2003BMWM33.2LL6N/ACompatible with biofunctional material cabin air filters.
2002BMW320i2.2LL6N/ACompatible with biofunctional material cabin air filters.
2002BMW325Ci2.5LL6N/ACompatible with biofunctional material cabin air filters.
2002BMW325i2.5LL6N/ACompatible with biofunctional material cabin air filters.
2002BMW325xi2.5LL6N/ACompatible with biofunctional material cabin air filters.
2002BMW330Ci3.0LL6N/ACompatible with biofunctional material cabin air filters.
2002BMW330i3.0LL6N/ACompatible with biofunctional material cabin air filters.
2002BMW330xi3.0LL6N/ACompatible with biofunctional material cabin air filters.
2002BMWM33.2LL6N/ACompatible with biofunctional material cabin air filters.
2002BMWZ33.2LL6N/ACompatible with biofunctional material cabin air filters.
2002BMWZ33.0LL6N/ACompatible with biofunctional material cabin air filters.
2002BMWZ32.5LL6N/ACompatible with biofunctional material cabin air filters.
2002BMWZ32.2LL6N/ACompatible with biofunctional material cabin air filters.
2001BMW320i2.2LL6N/ACompatible with biofunctional material cabin air filters.
2001BMW323i2.5LL6N/AMaterial: Biofunctional; With OE No. 64 31 9 257 504
2001BMW325Ci2.5LL6N/ACompatible with biofunctional material cabin air filters.
2001BMW325i2.5LL6N/ACompatible with biofunctional material cabin air filters.
2001BMW325xi2.5LL6N/ACompatible with biofunctional material cabin air filters.
2001BMW330Ci3.0LL6N/ACompatible with biofunctional material cabin air filters.
2001BMW330i3.0LL6N/ACompatible with biofunctional material cabin air filters.
2001BMW330xi3.0LL6N/ACompatible with biofunctional material cabin air filters.
2001BMWM33.2LL6N/ACompatible with biofunctional material cabin air filters.
2000BMW323Ci2.5LL6N/ACompatible with biofunctional material cabin air filters.
2000BMW323i2.5LL6N/ACompatible with biofunctional material cabin air filters.
2000BMW328Ci2.8LL6N/ACompatible with biofunctional material cabin air filters.
2000BMW328i2.8LL6N/ACompatible with biofunctional material cabin air filters.
1999BMW323i2.5LL6N/ACompatible with biofunctional material cabin air filters.
1999BMW323is2.5LL6N/ACompatible with biofunctional material cabin air filters.
1999BMW328iSedan2.8LL6N/ACompatible with biofunctional material cabin air filters.
1999BMW328iConvertible2.8LL6N/ACompatible with biofunctional material cabin air filters.
1999BMW328is2.8LL6N/ACompatible with biofunctional material cabin air filters.
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
64 31 9 071 93564 31 9 216 59064 31 9 257 504