Mann-Filter HU 820 x Engine Air Filter for BMW 3 Series
High-performance air filter cartridge for BMW 3 Series turbocharged engines, featuring activated carbon layer for odor control. It is an intake air filter under HTS 8421.31.00.00 for internal combustion engines in passenger vehicles.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with integrated pre-cleaner cyclone
Cyclone separators are distinct purifying apparatus even if for engine air.
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Import Tips & Compliance
• Document carbon impregnation as secondary feature to maintain intake filter status
• Provide flow bench test results showing engine airflow compatibility
• EU-origin filters may qualify for GSP; verify beneficiary status
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