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Old 01-24-2013, 07:41 PM
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hd750Li hd750Li is offline
Officially Welcomed to the 'Fest
Location: US
Join Date: Jul 2010
Posts: 620
Mein Auto: F02 750Li
Be careful with used regulator unit. This part tends to go bad after a few years in hot+humid climate. If your AC blower has started making noise already, I highly recommend to replace it too. They are connected together by two screws.

See this video for a DIY:

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