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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 02-09-2015, 06:12 AM
Alex 540 Alex 540 is offline
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Fuse 53 keeps blowing

Hey guys, new guy Alex 540 here. I just got scolded on the new member site for posting a question there.....sorry for the mistake but a little less sarcasm would make me feel a bit more welcome. I love the stuff yall have on here and I have been amazed with the knowledge. My real question is what other things besides the fuel door actuator/motor are tied to fuse 53? I just bought a 2002 540 and I love the car along with the other 3 bimmers I have owned in my life and I am stumped with this. The previous owner only had a valet key, said he couldn't afford buying a new one??? so I went to the dealer and purchased a new key. As I am trying to program it, I cant get it too. Called the dealer and he walked me through it still nothing. Obviously said to bring it in. Through the forum I learned to check the 53 fuse. Sure enough it was blown. I tried to replace it and it blows the moment you put the fuse in. So further research in the forum I learned to disconnect the fuel door actuator, blew again immediately. I traced the wires from the fuse block for splits, breakage, etc, and checked the wire loom going into the deck lid. All to no avail. I even tried touching the battery terminals together to release any stored energy, also recommended on a post I read and still, blown fuse. I know going to the dealer will only amount to a charge because its not the key its the fuse but I cant figure out what is shorting it out????
Please any help would be much appreciated.......
Thanks
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  #2  
Old 02-09-2015, 07:04 AM
cn90 cn90 is offline
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Door lock actuator, unplug one by one until you find the culprit.

http://www.bimmerforums.com/forum/sh...use-53-blowing
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Old 02-09-2015, 07:09 AM
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glaz1281 glaz1281 is offline
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Accorging to Bentley manual. Fuse 53 FVZ (Remote entry) antenna amplifier,Tailgate lock switch,Central locking fueltank access door,Trunklid motor relay,Diversity and window motor relay .. Vol 2 Pg 610-33
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Old 02-09-2015, 07:29 AM
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glaz1281 glaz1281 is offline
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Take cn90 s advice, his advice is always excellent.
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Old 02-09-2015, 08:22 AM
rdl rdl is offline
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WDS schematics for F53 from 9/98 forward (didn't check, pre 9/98 may be the same.) There are Touring and non-Touring versions, which WDS seems to have swapped in the menu tree. I've corrected them here, I hope.

S167 rear lid lock switch is a component of the trunk lock cylinder in the rear lid. If memory serves, the switch that puts the car in valet mode when the lock is turned fully clockwise, i.e. horizontal. It is not the switch on the A-post near the driver's door nor the release switch over the licence plate.

The relays in the Touring schematic are for the rear lid/liftgate and rear window releases; not the optional automatic/power opening system.
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Old 02-09-2015, 05:22 PM
u.nanimous u.nanimous is offline
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Sorry, I didn't mean to sound scolding.

Sarcasm however is free! And don't go thinking you are special for receiving it, it is a naturally replenishing resource I like to spread everywhere I can.
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Old 02-09-2015, 06:19 PM
Alex 540 Alex 540 is offline
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No worries and thanks for the advise. I will update this weekend when I try again. Went to pick the kids up yesterday and 1 was in the back and informed me the rear window didn't work?? Imagine that, think I may have found the culprit!!! Ordered a new one and will replace this weekend.....To be continued......
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Old 02-11-2015, 08:53 AM
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bluebee bluebee is offline
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I like the WDS above so I'll cross reference it to this thread, for one-stop shopping on fuse information...
- One user's attempt to locate, describe, and photograph all fuses and relays with a picture of every fuse & relay (1)

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Please read the suggested threads and add value, either by pictures or by descriptions, so the next person stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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Old 04-15-2015, 02:40 PM
d.tinez540i6 d.tinez540i6 is offline
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would like to know if you found what the problem was?
as my car is doing the same , unplugged the fuel door actuator, checked trunk lid harness and all is well.
and fuse burns as soon as you place it in.
my trunk lock cylinder doesn't lock or unlock all my doors, could this be the culprit?
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Old 04-15-2015, 05:04 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by d.tinez540i6 View Post
would like to know if you found what the problem was?
as my car is doing the same , unplugged the fuel door actuator, checked trunk lid harness and all is well.
and fuse burns as soon as you place it in.
my trunk lock cylinder doesn't lock or unlock all my doors, could this be the culprit?
If I were you, I'd check the actuator ...
- Fuel filler cap door lock actuator solenoid hangs blowing central locking fuse F53 (1)

And the wiring loom...
Trunk wiring loom fraying
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Please read the suggested threads and add value, either by pictures or by descriptions, so the next person stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #11  
Old 04-15-2015, 06:40 PM
d.tinez540i6 d.tinez540i6 is offline
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Quote:
Originally Posted by bluebee View Post
If I were you, I'd check the actuator ...
- Fuel filler cap door lock actuator solenoid hangs blowing central locking fuse F53 (1)

And the wiring loom...
Trunk wiring loom fraying
Already did , fuel filler actuator is unplugged , and wiring was good for trunk lid
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