BMW M3 Forum (E90 E92) - View Single Post - why are the cabin air filters so expensive!

Fen335i · 03-04-2013, 09:57 PM

Curious, what's the downside of not changing this once a year? Poor/stagnant smell coming through A/C vents? Poor ventilation/airflow? Reduced life on cabin heating/AC system?

03-04-2013, 09:57 PM	#11
Fen335i Captain 107 Rep 805 Posts Drives: e92 M3 / X5d / Z4 M Roadster Join Date: Jun 2008 Location: Pacific Northwest iTrader: (0)	Curious, what's the downside of not changing this once a year? Poor/stagnant smell coming through A/C vents? Poor ventilation/airflow? Reduced life on cabin heating/AC system?
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