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The BMW Range
3 Series
E90, E91, E92, E93
Learning to use an E90
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<blockquote data-quote="astroboy" data-source="post: 588695" data-attributes="member: 4527"><p>AC blower fan speed regulator</p><p></p><p>2007 E90 320i N46B20, mileage 68k km.</p><p></p><p>Anyone experienced AC fan speed problem before? Mine is stuck at 1st AC fan speed and not reacting to higher fan speed input. Even "MAX" setting doesn't alter the speed. Googled it and all pointed the fault to the "Blower Regulator", some called it final stage unit, FSU or blower resistor. A phone call to the part supplier said it will cost me RM350 for a non-original replacement while an original unit will cost RM600. Anyone has experience to share? or can there be any other faults?</p><p></p><p>I manage to remove the item, less than 5 minutes DIY, took the thing out, clean it, re-installed and problem presist.. :20:</p><p></p><p>Item 2 in the diagram.. Part code: 69119146765</p><p><img src="http://static.bmwfans.info/images/epc/MTg0NzY3X3A=.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Mounted to the side of the blower..</p><p><img src="http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG174.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Connector removed..</p><p><img src="http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG175.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG176.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG178.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG180.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>3 input wires, 2 output to the blower motor.</p><p><img src="http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG181.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Internal view.. clean, nothing looks burnt..</p><p><img src="http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG182.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="astroboy, post: 588695, member: 4527"] AC blower fan speed regulator 2007 E90 320i N46B20, mileage 68k km. Anyone experienced AC fan speed problem before? Mine is stuck at 1st AC fan speed and not reacting to higher fan speed input. Even "MAX" setting doesn't alter the speed. Googled it and all pointed the fault to the "Blower Regulator", some called it final stage unit, FSU or blower resistor. A phone call to the part supplier said it will cost me RM350 for a non-original replacement while an original unit will cost RM600. Anyone has experience to share? or can there be any other faults? I manage to remove the item, less than 5 minutes DIY, took the thing out, clean it, re-installed and problem presist.. :20: Item 2 in the diagram.. Part code: 69119146765 [img]http://static.bmwfans.info/images/epc/MTg0NzY3X3A=.png[/img] Mounted to the side of the blower.. [IMG]http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG174.jpg[/IMG] Connector removed.. [IMG]http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG175.jpg[/IMG] [IMG]http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG176.jpg[/IMG] [IMG]http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG178.jpg[/IMG] [IMG]http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG180.jpg[/IMG] 3 input wires, 2 output to the blower motor. [IMG]http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG181.jpg[/IMG] Internal view.. clean, nothing looks burnt.. [IMG]http://i19.photobucket.com/albums/b161/klchew/DIY/E90/IMG182.jpg[/IMG] [/QUOTE]
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