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7 Series - E23 / E32 (1977 - 1994)

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  #1  
Old 01-03-2011, 05:24 PM
scharles scharles is offline
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Location: Spangdahlem, Germany
 
Join Date: Jan 2011
Posts: 1
Mein Auto: 1992 BMW 730i 8 cyl.
Exclamation 92 730 - Dead battery and door wont open manually or with power locks

I have a 1992 bmw 730i euro spec and my car doors wont unlock with the key manually bcuz the battery died. Can anyone help me with advice? Should I just break the window?
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  #2  
Old 01-26-2011, 02:53 AM
wicky wicky is offline
Way East...
Location: Oslo Norway
 
Join Date: Aug 2010
Posts: 138
Mein Auto: To many cars..
put the key in the passenger side and turn key at the same time as you pull up the door handle....
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  #3  
Old 03-28-2011, 12:15 PM
goldeagle17 goldeagle17 is offline
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Location: Louisiana
 
Join Date: Mar 2011
Posts: 3
Mein Auto: 1991 BMW 735i
Battery Drain

I have a 1991 BMW 735i. Extremely clean and regularly serviced with only 201,000 miles. For the past 4-6 months the battery has been drained if not run at least every 3 days. Electric door locks would not operate properly for the past year. Have to turn twice to open and to lock. Always pop back the oposite direction. Had a technician repair door locks and he thought he had the battery drain problem resolved. However, if the car was not driven every 2 days the batter would drain. Now will drain dead before even one day. New battery. Read one of these BMW sites and MANY had the same problem but found that replacing an FSR (Final Stage REsister) corrected the problem. Dealers have never heard of such a part and I cannot fine anyone who knows what I am talking about. Could someone tell me: WHAT FSR, Where to buy a replacement, Price of the part.?? Other than replacing water pump and radiator I have not had any problems with the Beamer until now. Thanks.
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  #4  
Old 04-07-2011, 10:27 PM
mkmichalek mkmichalek is offline
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Location: Marylang
 
Join Date: Apr 2011
Posts: 48
Mein Auto: 528i & 750i
The FSR is a resistor that operates your fan. I had the same problem with the battery draining. The fan would come on & off intermittently with the car off and drain the battery. I can't believe the dealer dosn't know what it is. You can order them off of ebay and other online stores that sell bmw parts. Very easy to find. Just make sure it is for your model car.
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  #5  
Old 04-08-2011, 07:58 AM
goldeagle17 goldeagle17 is offline
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Location: Louisiana
 
Join Date: Mar 2011
Posts: 3
Mein Auto: 1991 BMW 735i
Thankyouverymuch Mkmichalek!
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