E46 M3 GTR - P54B32 Race Air Filter (CSL Airbox)

Extremely rare BMW Motorsport P54 B32 Air filters originally designed for the E46 M3 GTR and E86 Z4 VLN GT works cars.
 
These are the Race version that were introduced by BMW MS AG, giving teams the option to use this filters with less restriction vs the stock one or 24hr variant.
 
These filters will also fit any OEM BMW M3 CSL and Karbonius Airbox.
 
Note: due to the filter using a more open gauze, more freqent cleaning is needed.
 
 
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