Shop 2003 BMW 325i Cabin Air Filter. 325 & 330i, Ci, xi; w/Activated Carbon. 325 & 330i, Ci, xi; w/o Carbon, ACTIVATED, Xi - OEM BMW Part # 64319257504 (64-31-9-257-504, 64312182458)

Cabin Air Filter. Filter element. MicroFilter/ACTIVATED Car.
Cabin Air Filter. Odor.

Cabin Air Filter

325 & 330i, Ci, xi; w/Activated Carbon. 325 & 330i, Ci, xi; w/o Activated Carbon. M3. W/activated carbon. W/o activated carbon. X3; w/Carbon Container. X3; w/o Carbon Container.
Cabin Air Filter - Repair or Replace
If the air coming out of your vents smells a little funny—like mildew or funk—or if your windshield fogs up with the A/C on, your may have a clogged cabin filter. Many manufacturers recommend replacing the cabin filter, or pollen filter, as part of its scheduled maintenance.