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View Full Version : 90+ degrees and no ac ..


SKooT1027
07-10-2007, 03:59 PM
Well.. its been ungodly how around here for the last couple days, so I decided I would use some AC yesterday. I turned on the fans ... nothing ... hit the ac button .. still nothing. Its like the fans arent even turning on .. any ideas?
EricP
07-10-2007, 04:33 PM
Do you have the digital climate control unit? Is the display simply black, ignoring all your commands?

Time for the capacitor fix!
erock///m3
07-10-2007, 04:48 PM
ITS SO F'N HOT......MILK WAS A BAD CHOICE!!!
http://img517.imageshack.us/img517/6189/att07699xy1.jpg
dsp420
07-10-2007, 11:25 PM
I only wish it was 90 degrees with no ac. Mine kicked out when it was 119 the other day. (Phx, AZ) Might be my FSU.

Good luck man. Keep cool.
kingsiang
07-10-2007, 11:39 PM
HAHA same thing happend to my 325i last month. It was actually the aux fan. try turning the fan manually by hand if it feels stuck. the fan is gone....
SKooT1027
07-11-2007, 11:32 AM
the digital control responds to everything I press .. well, in the fact that the lights change, but the fan never comes on
Jrdeamicis
07-11-2007, 11:35 AM
http://img.photobucket.com/albums/v639/NJ_represent/109.jpg

Yeah, I had my AC off.
jgrotkier
07-11-2007, 02:17 PM
I'm jealous that you guys can even read your OBC clearly! I have to press mine hard just to read the temperature and if its over 100 I can only see the last 2 digits (part of them at least!)
dsp420
07-11-2007, 03:42 PM
HOT!!!!!!

http://www.dysfunctionalsound.com/bmw/119.jpg
SKooT1027
07-11-2007, 04:19 PM
so any ideas on what to do to fix the ac? where would be the best place to start?
WillTheGreat
07-12-2007, 08:34 AM
Well recently on my 99 M3, my FSU went bad which prevented the fan from operating (the FSU is what powers the fan).

In my case the digital climate control seemed to operate normally, but the fan just didn't blow, no matter what the fan speed was set for. Replacing the FSU has solved the problem.

I got my FSU from the dealer because it was in stock, but later I found that Bavarian Autosport has it for much cheaper.

Someone has posted a good guide for replacing the FSU, I suggest you search for that. I don't think I can post a link.

-Will
SKooT1027
07-19-2007, 12:46 PM
That sounds similar to my prob .. no matter the fan setting, ac on or off, the fan doesn't kick on

what exactly does FSU stand for? and what would I be looking at price-wise and install (if its not an easy install)?