Air con/heater issue
Printed From: Bavarian-Board.co.uk - BMW Owners Discussion Forum
Category: Technical & Model Specific Forums
Forum Name: BMW 3 Series
Forum Discription: This forum will deal with any issues on the BMW 3 Series (E21, E30, E36, E46, E90, E91 & E92)
URL: http://www.bavarian-board.co.uk/forum_posts.asp?TID=45303
Printed Date: 02-May-2024 at 05:23
Topic: Air con/heater issue
Posted By: hillzy
Subject: Air con/heater issue
Date Posted: 20-July-2009 at 17:11
|
Hi there (1st post),
I've had a bmw 316i 2002 for 9 months, I've had no problems until today when i switched the air/con heater on and nothing came out even though the display seemed to be working fine, i used a meter to test the fuses (they seemed fine) and then all of a sudden the display stopped working. Is this a common problem? Is there anything i can check or do before i take it to a garage? Thanks peeps. |
Replies:
Posted By: oliver07
Date Posted: 20-July-2009 at 17:38
| do you mean that no air came out or do you mean the air con isnt working if so a re-gas maybe needed. |
Posted By: hillzy
Date Posted: 20-July-2009 at 17:58
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Thats a yes to both of those, neither the air con or the
heating are blowing any air when it was switched on, on top of that the air con/heater display has died on me. |
Posted By: kbannon
Date Posted: 20-July-2009 at 21:54
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Welcome to the forum. I would think that it is the Final Stage Resistor at fault. ------------- Current: 2009 E60 520d "Sport" tractor Previous: 1989 E30 320i SE 1997 E39 523i 2003 E39 525i Sport Individual |
Posted By: deeko1973
Date Posted: 21-July-2009 at 16:15
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Hi... I've also had this issue randomly recently. Only intermittently tho. Sometimes when i'm driving along the fan will suddenly stop blowing out any air even though the display still says it is... then about 5 or 10 minutes later it comes back on again... no explanation as to why it happens but it's quite annoying! Had it checked out on the diagnostics due to a different throttle control problem and apparently I have duff software somewhere... so hoping that this is being caused by the duff software too... they did say that no other fault codes came up so doesn't appear to be a fan fault... (mine's a 2000 330i). Getting new software installed tomorrow so fingers crossed... Apparently this fault is known in Canada (???) - was an issue with cars of a certain age - dunno why it hasn't been highlighted before tho... ------------- 
E46 2000 330i Saloon |
Posted By: ally
Date Posted: 22-July-2009 at 08:20
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The fan speed going up & down is usually the final stage resistor, but if you're display has died, then it's the capacitor within the display unit, a very cheap part from Maplins, & if you're handy with soldering electronics then it's a DIY job, if not there's a chap on ebay who repairs these units. Do a search on ebay for "BMW climate repair" ------------- E39 530i Sport Aegean Blue Edition Saab 9-5T SE Estate E36 318i loon...sold E36 323i coupe...sold |
Posted By: ally
Date Posted: 22-July-2009 at 08:24
They may have detected software problems, but that's not your fan speed problem, it's almost certainly the FSU (Final stage unit) Item number 3 here, part number 64116929486 ------------- E39 530i Sport Aegean Blue Edition Saab 9-5T SE Estate E36 318i loon...sold E36 323i coupe...sold |
deeko1973 wrote:
Posted By: hillzy
Date Posted: 23-July-2009 at 19:43
|
Thanks to all that replied, kbannon hit the nail on the
head, I had a fault with my final stage resistor which i got replaced. As for my display, I made a school boy error, I accidently pulled a fuse out while testing em and did not notice my school boy error, pretty embarrassing! |