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X5 E53 (1999 - 2006)
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  #1  
Old 03-23-2014, 07:09 PM
maintainer747 maintainer747 is offline
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Key Fob Stop Working

I have a 2001 X5 4.4i and this weekend out of the blue my key fob stopped working. The manual says that the key remains charge through using it and I only have one key. I was wondering is there a module or fuse that could have stop working to cause my key not to work?

I can open and lock all doors using the key in the handle or using the central system in the car, I just can no longer open or lock anything with the fob.

Anyone have experience with this or a possible solution?
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  #2  
Old 03-25-2014, 11:38 AM
maintainer747 maintainer747 is offline
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Key fob

bump???
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  #3  
Old 03-25-2014, 11:53 AM
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QSilver7 QSilver7 is offline
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Mein Auto: 1997 740iL / 2006 X5 4.4
Do you have any issues with the FZV or DWA systems (central locking & anti-theft alarm siren systems). If any of the monitors for FZV or DWA are remaining open or have faulted...it will prevent the remote operation of the key.

When you lock the key manually in the driver's door...walk around to the fuel filler flap and see if it is locked. If it's not, then you have an issue with the central locking system...check ALL the fuses (front & rear) for any central locking fuses to see if any are blown. If blown, then replace with appropriate amperage fuse.

There is a red LED on the bottom of the rear view mirror which has a red STATUS light. It indicates if there's any issues with the DWA system by flashing rapidly...are you getting the the "all system is OK" flash...or a rapid flash?


BTW...do yourself a huge favor and go to your local BMW dealership and order a spare key....oit's only around $50-$70 in most places. The spare key costs way less than the remote keys...and you'll thank yourself if you lock the only key you have inside the vehicle...because it's a huge & frustrating predicatment when it occurs and you don't have a spare key.
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

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  #4  
Old 03-25-2014, 02:23 PM
maintainer747 maintainer747 is offline
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I will check that as soon as I get home. I can lock all the doors with the key and unlock them so the centralize system seems to be working. I just have not looked at the light or tried the fuel door.

Next question if they are working as usual meaning the light flashes normally and the fuel door is lock when all the other doors lock is there another reason that would cause the key to sop working?

also when I looked at the fuses in the glove box which one controls the central locking system because it wasn't very clear based on the drop down panel. I will check the panel in back also today.
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  #5  
Old 03-25-2014, 03:38 PM
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QSilver7 QSilver7 is offline
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The fuel filler door is a part of the (FZV) central locking system (along with the doors)...so if it is NOT locking when "double-lock" is initiated (locking the door with the key remotely or manually from outside the car), then your central locking system is considered not to be operating properly. And again, the DWA sytem (anti-theft alarm siren system) will cancel remote operation if there's a fault in that system.

The remote key has 3 features that are independent of each other but work in tandem or conjunction with each other: EWS/FZV/DWA

The fuse index for the glove box and rear is actually very thorough. It lists all of the fuses alphabetically, then lists all the numbered fuse positions (in front or rear) that are associated with it...as well as having a diagram of the fuse box with the fuse's numbered positions illustrated...along with the amperage of that fuse (which can help you find them since they are also color coordinated). It really can't get any simpler.

For example...fuse 20, 24, and 60 control the central locking (on my 06 X5) ... which means all 3 are in the glove box. Fuse #20, and #24 are in the top row (according to the illustrated index), and #60 is on the bottom row. And the amperage for those fuses appear to all be 30 amps (the image is fuzzy...so if they are 20 amps, I apologize).



And on my facelift X5, the rear fuse box has 2 fuses for the central locking system...fuse#s 84 & 86..and they will be found on the far right of the fuse box...one is burgandy colored 7.5 amp fuse (4th from the far right) and the other is the orange colored 5 amp fuse (2nd from the far right) which is also listed for the remote control operation:



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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg

Last edited by QSilver7; 03-25-2014 at 03:46 PM.
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  #6  
Old 03-25-2014, 09:13 PM
maintainer747 maintainer747 is offline
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key fob

Thanks for the information, I checked and the fuel door is locked and the lights blink as normal but the key fob still does not open the locks......what else could be the issue because the manual states that the key remains charged because of use....I used it all weekend but no joy....
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  #7  
Old 03-26-2014, 05:58 AM
chatcher chatcher is offline
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The battery inside of the key is dead. Get a new key from your local dealer and you'll be fine. I just had to replace mine a few months ago. The battery is over ten years old I'd say that's a good run for a key battery.
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  #8  
Old 03-26-2014, 06:20 AM
maintainer747 maintainer747 is offline
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Key fob

Did you get a new battery from the dealer or a whole new key and if it is the key what should I expect to pay with programming?
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  #9  
Old 03-26-2014, 12:21 PM
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QSilver7 QSilver7 is offline
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Before plunking down hard earned money (I presume ) for a new key...have you tried initializing the key yet? If you haven't try this first...and if you do need a new key, you can save yourself more money if you for some reason your local BMW dealership charges to initialize a remote key.

There are some tips to follow below...you have to follow the instructions exactly...or programming may fail. Also, the only thing that needs to be programmed in the remote keys is the FZV & DWA features...and they are also the only features that use the battery inside the key. The EWS feature (immobilizer) is programmed from the factory and as well if you order a new key from BMW...the EWS's ISN (individual serial number) will come already programmed for your car...and the key blade will already be cut. Plus EWS does NOT require the battery inside the key...it is self powered through induction:

TIPS:
  1. KL R = ignition position 1
  2. lock & unlock vehicle using the key manually in the driver's door lock.
  3. enter vehicle and CLOSE ALL doors
  4. make sure ALL doors are UNLOCKED
  5. insert key into ignition on turn to POSITION 1 ONLY then back off (do not use POSITION 2 OR 3)
  6. REMOVE key from ignition before starting the programming instructions in STEP 3


__________________
Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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  #10  
Old 03-26-2014, 09:12 PM
chatcher chatcher is offline
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Quote:
Originally Posted by maintainer747 View Post
Did you get a new battery from the dealer or a whole new key and if it is the key what should I expect to pay with programming?
I ordered it from my local dealership and initialized it myself. I think around $160 for the key. They want $250ish for my E90 key. Makes me miss the days of having a new key cut for my car at the local home depot for $5.
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06 E90 330i
02 E53 X5 3.0
03 dodge ram
05 ford expedition
03 rc51
RUNNING OUT OF GARAGE SPACE!!
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  #11  
Old 03-28-2014, 07:28 AM
james.e30 james.e30 is offline
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I had to get 2 new keys for my X5 last year. They hadn't been working for a while, but then the door lock broke while it was parked at the house, which resulted in me having to drill out and replace the door lock. I'd recommend that you have a working key fob, because if the door lock fails you are out of options...

I took apart the non working keys and the battery was fine, but the microswitches on the board inside the key wouldn't engage. 10 years of daily use is pretty good for electronics (it doesn't justify the price they charge for the keys though!).

Dealer price for the keys was $225 each, but I ended up getting both for around $300. Programming was included, but I did it myself.
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  #12  
Old 04-05-2014, 05:37 AM
maintainer747 maintainer747 is offline
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Location: Kansas
 
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Mein Auto: 2001 BMW X5 4.4i
Key fob update

I wanted to come back and post an update for my key fob issue.

I am not sure how this happened but I took my X5 to the dealer to order another key and was told that it would be $190.00. I gave them the required paperwork and was about to give payment when one of the guys said let me see if I can just re-initialize your key. He stepped outside for maybe 45 seconds and returned and told me that the key fob now works.

Now he didn't show me what he did but he definitely saved me $190.00. I say this to say sometimes the dealer is not after your money.....sometimes and that if anyone ever faces this problem, find out what it means to re-initialize your key.

thanks for all the help that everyone provided.
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  #13  
Old 04-22-2014, 08:18 AM
larryman larryman is offline
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Smile

Wow ...... really good thread, thank you from a new owner, SUPER info!!
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  #14  
Old 04-22-2014, 08:27 AM
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tmvE39/E53/Z32 tmvE39/E53/Z32 is offline
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