Flat Battery - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
LinkBack Thread Tools Display Modes
#1 (permalink) Old 04-26-2005, 05:34 AM
n00b
 
Join Date: Jan 2005
Posts: 11
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
shakie1973 is an unknown quantity at this point
(Thread Starter)
Hi all,

The problem is i've had a flat battery a few times over the past few months.
Had all the electrics checked,and theres nothing putting a drain on the battery.
But one thing i have noticed is the heaters are just doing what they want.By this i mean,i might have it set on the first setting then all of a sudden it will start blowing really hard,then go back down to where it was.Also when i switch off the ignition sometimes they will start up on their own.This would be enough to drain the battery ( i think )told an auto electrician all this and he said it would be the heater resister switch.
Is that right...............just thought i would check with you guys first.

CHEERS
shakie1973 is offline  
Sponsored Links
Advertisement
 
#2 (permalink) Old 04-26-2005, 05:38 AM
Neutral Member
 
Howie's Avatar
 
Join Date: Feb 2005
Location: Southampton, UK
Posts: 80
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Howie is an unknown quantity at this point
I used to have flat battery problems because of a faulty after market amplifier which was switching on. It does sound strange that your heaters are doing things when the car is not running. I know for a fact neither of my E46's could use the heaters when off.
Howie is offline  
#3 (permalink) Old 04-26-2005, 12:59 PM
1st Gear Member
 
Join Date: Mar 2005
Location: indianapolis, Indiana
Posts: 280
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
bryan1970 is an unknown quantity at this point
you erratic blower speeds is probablly the final stage blower resistor. they are a common problem with alsmot all BMW's that when they go bad the blower motor will take on a mind of it's own. i have never herd of a final stage blower resistor draining the battery but i guess anything is possible. how old is the battery?
bryan1970 is offline  
#4 (permalink) Old 04-26-2005, 05:04 PM
n00b
 
Join Date: Jan 2005
Posts: 11
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
shakie1973 is an unknown quantity at this point
(Thread Starter)
Quote:
Originally posted by bryan1970@Apr 26 2005, 10:59 AM
you erratic blower speeds is probablly the final stage blower resistor. they are a common problem with alsmot all BMW's that when they go bad the blower motor will take on a mind of it's own. i have never herd of a final stage blower resistor draining the battery but i guess anything is possible. how old is the battery?
[snapback]337891[/snapback]
The battery is 4yr old.....is the final stage blower the same part as this heater resister switch which i was told was the faulty part?
shakie1973 is offline  
Sponsored Links
Advertisement
 
Reply

  BMW Forum - BimmerWerkz.com > BMW Model Specific Forums > 3-Series (E46, E90)


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
318i-Not charging Hypnogaja 3-Series (E21, E30) 15 10-27-2004 04:18 PM
M5 Flat Battery - How do I get in ? M5 - woaaahhh M-Series (M1, M3, M5, M6) 3 09-23-2004 02:44 AM
Trunk locked with Flat Battery cathylap 3-Series (E21, E30) 7 08-31-2004 02:08 PM
Car battery seems to goi flat....316i H reg JADYO1 3-Series (E21, E30) 1 12-16-2003 03:14 PM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome