Nah, only 7-10 hours.

The whole dash has to come out. But, seriously, if you are experienced at DIY, it is probably 4 hours in and maybe 3 hours out. The actual blower is a two minute job once exposed.

Had to do this to get to my leaking evaporator.

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David.X5
2001 X5 4.4i Sport
SOLD! at 160k miles