Genuine BMW Microfilters
Microfilters, otherwise known as Cabin Air Filters, are used to filter the air coming into the passenger compartment via the circulation and heat/AC systems. It is important to replace your Microfilter frequently as dirt and dust can build up and prevent it from operating at 100% efficiency. It is recommended to replace the Microfilter when servicing the vehicle and replacing Spark Plugs, Air Filters, and Wiper Blades.
Air Filter
BMW
64-31-9-171-858
Micro filter, without carbon. All models. 5 series. 650i. M6. With activated carbon. Without gt. 645Ci.
$78.86
MSRP $86.42
Save $7.56
8.7% Off 
Lower Cover
BMW
64-11-9-460-554
4.4L twin turbo. 3.0L twin turbo.
$59.26
MSRP $62.57
Save $3.31
5.3% Off 
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