Direct-fit, reusable dry air filter for BMWs with B58, B46 and B48 engines - including M140i, M240i, 340i, 440i, 330i, 430i and 230i (F20, F21, F22, F23, F30, F31, F32, F33, F36 chassis). No oiling, no mess, no guesswork.
Zero-maintenance synthetic media - washable, reusable, stays clean for years
OEM airbox drop-in fit - uses progressive bump seal; no gaskets or sealants needed
Balanced flow and filtration - 3-layer Pro DRY S media flows more air while trapping fine dust
Fits fast road and track day builds - proven on stock and tuned B58/B48 engines
