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E39
5 Series Service
BMW 525i, 528i, 530i, 540i
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Microfilter
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Coolant
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Brake
Fluid
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Microfilter Replacement
The climate control system of these cars contains a microfilter
designed to remove contaminants from the air before
it enters the passenger compartment.
When these replaceable filters become quite plugged they reduce the air volume and hence the efficiency of the heater and air conditioner. We recommend they be replaced at each Inspection or about every year. Microfilter costs can vary, so please email us for guestimate.
Coolant Flush---recommended at 2 year intervals
Brake Fluid Flush---recommended at 2 year intervals
©2007 Terry Sayther Automotive (512)442-1361