How To Replace And Charge A Battery In A Key Fob For BMW 7 Series E65 E66
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- Опубликовано: 18 фев 2013
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I show you how to replace when you need a new battery for your BMW key fob that has comfort access feature for your BMW 750i E65 750li E66. I also show you how to charge the battery in the key fob that does not have the comfort access feature.
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I did this procedure last night on my non comfort access key fob for my E65. Of course I practiced on a different identical key first. :) Worked perfectly and no key programming required. Just need to be patient and careful while cutting open the key. I accidentally swiped my thumb with my extremely sharp box cutter and feel lucky I still have my thumb intact. It was a bloody mess, but I pressed on, desoldering the old battery and soldered in the new battery just fine. I found that using JB weld JB Kwik two part epoxy worked perfectly for re-sealing the key fob when putting it back together and dries black, just like the key fob color so it looks the business. This was a helpful video. Thanks for posting!
Love your videos. On my 2005 740Li with Comfort Access, I continuously get a "Remote key battery run down" message when I turn off the car, even with a battery that's a few days old. It's a brand new key from the dealer too. Any ideas?
Lol...my 2007 bmw was pre owned too! And I had a maxi pad in the first aid kit as well lol I thought the previous owner left it so I threw it away also...I'm happy to know that wasn't the case lol...good video thou
thanks for the clear video.
My key had 2 little buttons tha came out.
I managed to solder 2nd position (clos( button and it works:)
Th 1st button ( open) gave a problem while soldering.
1 solderpoint ok, but tring to soleder the other broken solderpoint, the part from the board came off and i cant find the copper;ead to mak a bypass.
Any ideas?
Hennie from Holland
I'd love to, but I don't have a comfort access key fob, those are pretty easy, check out my technique in the video the key fob I have is the non comfort access, unfortunately I can't risk messing it up by cutting into it myself, if the issue ever comes up I will for sure.
I noticed you gave the battery part number for the CA, but does anyone know the battery part number for the Non-comfort access FOB? CR2032 would be for the CA, would a DL2032 battery work?
Does the comfort access key fob not recharge in the slot?
Thanks for watching the video:)
1 solderpoint is now ok, but trying to solder the other broken solderpoint, the small solder part on the board came off and i cant find the copperlead to make a bypass from the buttonswitch to the printed board.
Any ideas?
Does anyone know how to turn off traction control on e66 or e65? thanks
Same battery for my keyless cts...might as well replace my two bmw keys. And my cts battery
the key is now easy to pry open. You need to remove the key and then force something inside hole to open.
I tried this with my 2004 BMW 745Li for the non-comfort access key fob. At first it beeped once and then nothing thereafter. Now my key fob will not even stay in the ignition it slides in but then slowly pushes out. I even brought a replacement key fob case thinking I messed my up but still will not stay in ignition so now I can't start the car with this key fob that was working prior to the battery replacement. Do you have any clue why it won't stay in ignition any more? Thx.
I'm going to attemp to cut my key open and see if it works after I change the battery.. What do I have to loose nothing the dealer wanta 250.00 for new key but before I spend that I'll take my chances
What happened
Great, I'm glad you saved a lot of cash, Thanks for watching:)
this is great
Hi how can I program my battery on a 2003 BMW Li
I think one of my button dont work like inthe video, where can i take it to get soldier back on like the video
Jose it charges while In park
thanks
Жыве Беларусь ⚪🔴⚪
I Love D !!!!!! I !!!!! Y !! Please a Keep Up The Good Wick And ,Help.
Hey guys, i really need help with my car :(
Model : E66 750Li
Error Code: 2F44 EWS Manipulation Prevention
car does not want to start
Is it a problem with the key? any solution?
Please help, I have opened the key, tried to remove the battery but couldn't. I closed then the key but it's not more opening the door. How can Start the car. The regular key doesn't open the door
If you take it to a electronics repair shop they could fix it for you, should only cost a couple bucks, as long as you have the case already opened.
Quick question . When I enter my bmw key in the ignition it spits it right out .. it won’t stay inside any suggestions ??
Mine does the same
Your battery is dead
Mine did it because I had no electricity goin through the car and would let me put in the key but just was a bad connection on the battery, or if you have power then it could be the part that holds the key in, it probably just got worn down and can’t hold the key anymore
Does the key only charge while your driving not while the car is parked running?
Jose Lopez great question, I dont' know about if the car is just running in park I'd suppose so.
As long as the ignition is set to on, the key will charge.
so the comfort access key doesnt recharge? a CR2032 is not a rechargeable battery but the LIR2032 is
my key was working fine then out of nowhere the car wont recognize the key after a flat tire on the front what could have happened...?
Can you let the car run to recharge the battery??
changed battery, still not working. is there something more I need to do?
to let you know, i have a 03 bmw 745i non comfort access key. i have a main one and a spare. first off this video does not work. i beyond carefully cut open the case with a hot razor. didnt even see the front or have the main board fall off the front of the half with the buttons. i saw the battery, with was spot welded in 4 places on both sides, unexpected. got that lose with a very small flat head. then put in this diy guys battery he names in the more info. and wala nothing happened. this doesnt work and the other battery prevents the fob from shutting. the rechargable battery in the fob is half the width of normal. two if the car recharges the battery in the key when u drive what is it going to do when it tries to recharge a non recharable battery. possibly blow up or ruin ur car. NO NOT TRY THIS DIY IS MORE THEAN MOST OF THE TIME WITH BMW A BAD IDEA. THEY MADE THIS SH!T SO THAT YOU CANT GET AROUND THEM. THATS Y YOU PAY SO MUCH FOR IT. THEY TOOK THE TIME TO PUT NEVER ENDING LOOPS IN THEIR PRODUCTS. YOUR WELCOME.
Sounds like maybe you installed the wrong battery.
Can anyone tell me as to how many times he uses Comfort & Non-comform....!
This is a non comfort....... ha ha
I counted 736 times, oh wait it's comfort:)
THANKZ A LOT MII REMOTE WAZ GOIN WAZ GOIN DEAD IF IT WASN'T FOR DIZ VIDEO I WOULD HAV BEN GOIN 2 THE DEALER & PAYIN $300 ...
Did they ever think of people that dont drive for 2 hours or more?? Genius BMW lol
I do go on long road trips not so often but yearly i go for a 2 or 3 hour drive
Mine has been dead for 3 years - went on a 2 hour trip and still dead.
What the hell is non comfort
constipation...
Gotta take a trip to charge it? How about, try Samsung wireless charging!
I'm sure if got the money too buy a 7 series you got the money to buy new key for it
Mohammed Miah Hello, you'd be surprised, also if you can fix it, it feels better to a lot of folks to be able to do it yourself then pay for a new one, for me it's my cheapness also:)
Ppl who can afford a 7 can do so because they are smart and responsible with their money. Avoiding the cost of $350+ USD for a new key (when all you need is a 12.00 USD battery) is a prime example.
not sure about bmw but Mercedes-Benz models like this will charge just sitting in the slot w car not running. i purchased a new key fob for a s430 and i was told by the dealership to let sit over night and it would store all info so i did and it started up the next day. previously would only lock and unlock if that
Worked for me appreciate it
Get to the point
If you wouldnt talk so much maybe we could learn something.