Hengst E3934LB-2 Cabin Air Filter - Recirculation
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Hengst

Hengst E3934LB-2 Cabin Air Filter - Recirculation

Brand Hengst E3934LB-2
Position Recirculation
Fits BMW · 20 vehicles

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

Cabin air filter. Helps keep the air entering the cabin cleaner.

Cross-references 64 11 9 237 159 for the same application. See all 1.

$43.51Free shipping
In stock · usually ships same day before 1pm CST
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Order total $43.51
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Hengst Biofunctional Cabin Air Filter

The Hengst E3934LB-2 is a cabin air filter for BMW HVAC systems that use biofunctional filter media. It is built for vehicles with automatic temperature controls or automatic air conditioning, helping maintain cleaner air inside the cabin while supporting recirculation system performance.

  • Biofunctional filter media for cabin air filtration
  • Fits BMW X3 and BMW X4 applications with recirculation system coverage
  • Direct replacement for OE part number 64 11 9 237 159
  • Designed for vehicles with Automatic Temperature Controls or Automatic Air Conditioning
  • Hengst part number E3934LB-2 for application matching

Fitment Details

  • Fits 2018 BMW X4, N/A, Material: Biofunctional; For vehicles with Automatic Temperature Controls
  • Fits 2016-2017 BMW X3, Recirculation, Biofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
  • Fits 2017 BMW X4, Recirculation, Compatible with biofunctional material cabin air filters.
  • Fits 2015-2016 BMW X4, Recirculation, Biofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
  • Fits 2011-2015 BMW X3, Recirculation, Material: Biofunctional; For vehicles with Automatic Temperature Controls

What It Helps Address

  • Reduced cabin air filtration performance from a loaded or aging filter
  • Dust and airborne debris entering the HVAC intake path
  • Unwanted odors or stale air circulation through the recirculation system
  • Restricted airflow from a filter that no longer passes air efficiently
  • Maintenance replacement for BMW X3 and BMW X4 HVAC service intervals

Installation Notes

Verify the vehicle’s HVAC configuration before ordering, since this filter is listed for automatic temperature control and automatic air conditioning applications. Match the Hengst E3934LB-2 and OE reference 64 11 9 237 159 to the existing filter specification, and confirm the recirculation position where shown in the fitment data.

Quality Assurance

Hengst supplies filtration components for automotive HVAC service, and this cabin air filter follows the listed biofunctional media specification for the stated BMW X3 and BMW X4 applications.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2018BMWX43.0LL6N/AMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2018BMWX42.0LL4N/AMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2017BMWX32.0LL4RecirculationBiofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
2017BMWX43.0LL6RecirculationCompatible with biofunctional material cabin air filters.
2017BMWX42.0LL4RecirculationCompatible with biofunctional material cabin air filters.
2016BMWX33.0LL6RecirculationBiofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
2016BMWX32.0LL4RecirculationBiofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
2016BMWX43.0LL6RecirculationBiofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
2016BMWX42.0LL4RecirculationBiofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
2015BMWX33.0LL6RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2015BMWX32.0LL4RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2015BMWX43.0LL6RecirculationBiofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
2015BMWX42.0LL4RecirculationBiofunctional Cabin Air Filter designed for vehicles with Automatic Air Conditioning.
2014BMWX33.0LL6RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2014BMWX32.0LL4RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2013BMWX33.0LL6RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2013BMWX32.0LL4RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2012BMWX33.0LL6RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2011BMWX33.0LL6RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
2011BMWX32.5LL6RecirculationMaterial: Biofunctional; For vehicles with Automatic Temperature Controls
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
64 11 9 237 159