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Old 01-02-2013, 10:55 AM
edjack edjack is online now
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Location: San Jose, CA
 
Join Date: May 2007
Posts: 9,677
Mein Auto: '97 540i 6 speed
For the last few winters I have had a strange warbling whistling noise from my air blowers on cold days

Likely not the blower motor; if it was, the bearing would have seized by now.
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Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
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