K&N Engineering Drop In Air Filter: BMW 525i 2004 2.5L-L6 YMM_2010_2017_Bmw_X3_II_F25 The diffuser and hook cover

The diffuser and hook cover are engineered to complement the overall aesthetic

Part #: 19-274300

The high-gloss finish adds a premium touch

Lowering height ranges from approximately 20mm to 60mm

intensifying when braking

K&N Engineering Drop In Air Filter: BMW 525i 2004 2.5L-L6 YMM_2010_2017_Bmw_X3_II_F25 The diffuser and hook coverK&N Engineering Drop In Air Filter Part #: 33 2292 Overview The K&N Engineering Drop In Air Filter for the BMW 525i is a high performance replacement designed to optimize your vehicles air intake system. Crafted specifically for the 2004 BMW 525i with a 2. 5L inline six engine, this filter offers a direct upgrade over stock filters, helping to improve airflow and filtration efficiency. Its primary purpose is to support better engine response,