the blower motor is not hard to change out, just very time consuming. my mechs said its about an 8-10 hour job to remove entire dash/steering wheel.... to access the blower. I did this on my 850 last year in summer but I did not have a place/opportunity to do it myself a month or so ago, so I Was at the mercy of a mech and just paid the bill. Such is life.
Fan works perfect now

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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S