How much work is it to replace the blower motor? On a scale of 1-10?? I was reading thru the manual and it says I will need to remove the whole dash to get to it. Is removing the dash a big chore? I was guessing it might take me 4 hours is this correct. Or is this a job better left to the pros? Then bentley manual had mentioned something about some one time use fittings or rivets.... will I need to buy anything other parts to put it back together.

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2010 X5M /// R63 AMG...Wifey's 540HP Family Hualer

2001 X5 3.0i Sport 335,448 miles & counting...
SMG M3 Steering wheel
E46 Stainless Racing Headers
4.6is Exhaust
Turner Pulleys
Afe Intake
Brembo drilled rotors
PowerFlex Bushings
Hualingan
30mm H&R Spacers rear
20mm H&R Spacers front
Bavarian Autosport High-Performance Coils
Active Autowerke's Performance Software