BMW 4 Series G22/23 (21-22) DNA Air Filter P-BM30C21-01



OEM Air Filter Air Flow: 197.80 CFM

DNA Air Filter Air Flow: 242.10 CFM

DNA Increased Air Flow: 22.40%

DNA Filtering Efficiency: 98-99%


Product Information

  • This filter features DNA's advanced FCd* (Full Contour design).
  • Installation of this new DNA Air filter is very easy; simply follow the installation instructions included in the workshop manual.
  • The filtering efficiency is extremely high at 98-99% filtering efficiency, with 4 layers of DNA Cotton.
  • The flow of this new DNA filter is +22.40% more than the stock filter!
  • DNA air filter flow: 242.10 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius
  • BMW / TOYOTA stock filter’s flow: 197.80 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius
  • This DNA® filter is designed as a High Flow Air filter for: ‘Road & Track use’.

*FCd (Full Contour design) is the innovative design by DNA®, that allows the filtering material to follow precisely the contour of the air box and uses the complete air box surface as “active filtering area“ eliminating “dead spots” that cause turbulence, increasing air flow and filtering efficiency.


BMW 4 Series (2021) :

  • BMW 420i G22/G23 2.0L (21-22)
  • BMW 420D G22/G23 2.0L (21-22)
  • BMW 430i G22/G23 2.0L (21-22)
  • BMW 430D G22/G23 2.0L (21-22)
  • BMW 440D G22/G23 3.0L (21-22)