BMW E46 Key Battery Replacement For £3!
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- čas přidán 8. 04. 2018
- BMW wanted to charge me £150, this was for a new key and to have the key reprogrammed to my car. In the end it cost me £3.
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This was very useful and it worked as stated. Local BMW dealer wanted 255.00$ cdn for a new key and 55.00$ cdn plus tax to resolve the issue. There should be a law against this type of abuse!
Agreed it’s robbery, they quoted me $276.00 plus $50.00 CAD to replace the key and program.
There should be legal ways to compete to drive down the cost. Not a law against taking advantage of the system
Good tip - stick the metal part of the key into a vice to hold it whilst you cut the casing off - saves you cutting your hands...
Nice example of how a little knowledge and some skill and patience can save money and reduce waste. Thanks.
Thanks Andy, sadly dealer nowadays are fooling lots of their customers whom ending up paying a lot of money for small things like that. If BMW wanted to help their customers, they would easily design after sale fob case that has screws and instead of £130 charge £20. But sadly this is how it works with most of the dealer.
Thanks for the heart video.
Great tutorial. Just did my E39 spare key. Seems I got exactly the same battery you did, however the two cotaxct 'feet' were a good 1mm from lining up with he holes. had to bend them out slightly.
GREAT VID LOOKED AT A FEW AND THIS IS THE BEST THANK YOU !!
Good video and tutorial. Your Ebay store link is no longer working, you may want to update and post where to purchase the rechargeable battery and epoxy.
Nice video pal but like u said it’s a dangerous job , it takes ages to separate it and you can loose your fingers in the process, only tip I can give is that I used a pair of mole grips with some paper in the jaws and gripped the blade while I cut it , I slipped a few times so thanks God I had the grips 👌👍
very much appreciate this video, thanks so much!!
Excellent video, thank you! I've been so frustrated at the thought of BMW s charge for a new key, and nobody (except you) seems to offer an alternative.
love this mate. Worked a charm. Now found my alarm doesn't work lol
use the same knife to cut the alarm out. i hate those things
It was scary watching you with that blade but that was a very good video thanks.
Great video! Thank you
I'm quite curious about how does the in ignition charging work, is it inductive? I see the coil for immobilizer, does it provide enough power?
Cool video, tense start with those 'box-cutters!' but definitely inspired to give it a shot.
Thank you for this video.
Very informative
Hi Andrew, How did you align the two battery terminals with the two holes on the PCB? The original battery has these circular connector on each side of the battery - I removed it with the soldiering iron from the PCB but now the new terminals are not aligning with the two holes - which are in 10 & 2 o,clock position ?!! That’s the last thing I cannot resolve. Any guidance is greatly appreciated.
BMW can make the key fob unscrew for £3, or screw the customer for £150. No brainer. (Kiwi saying )
Just spat out my coffee LOL
👍 top information
Very good chanel, thanks
I was getting very nervous watching you work with the box cutter 😬😮
without gloves
hi Andrew contacted you before ,after making an Arial wideband (scanning only) for my Watson scanner looking at this one but sure with your expertise you could build a far better one or at least show me or tell me how to do it?
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This antenna is a male SMA connector, we also have the same antenna with a BNC connector on it (search for W-811).
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thanks
at what temperature is the solder?
Nice tutorial but I would highly recommend wearing gloves in case the blade slips. Start by rocking the blade at the key ring side of it, then rock it back and forth around the perimeter from that point.Carefully pry the circuit board out, then clean the dried glue around the perimeter of the casing with a sharp knife before reinserting the circuit board. After de-soldering and removing the battery, use a solder sucker to clean out the holes. Apply flux (important to ensure a clean tight bond when you re-solder). There are small notches on each side of the circuit board which fit into the case.
The remote control now works after replace baterry, but now I canot unlock the car with the physical key in the lock!
Can you give me some instructions? tnx
Has nothing to do with the key. Mine has bit shitty lock too and you have to twist the key very swiftly to open
At 6:26 the component that's just to the left of the coil, and just to the right of his thumb, anyone know if its a resistor or a capacitor? Looks more like a cap. Either way, does anyone know what the value of it is? Mine is missing, need to replace it. Thanks.
Will that work on z4 2008 key
Hi Sir do you think it’s possible to recharge the key fob batt using a wireless charger for a cell phone, that also induction charging. My car also standing most of the time E46
Yes I give mine a boost during the winter with my toothbrush charger
I replace sealed remote key fob batteries. I pay £6.50 for good quality batteries. I use a dremel to cut open these remotes but have to be very careful in doing so. I only charge £38 for this service.
Are you any good with e46 batteries
are you sure it is the battery?
my 3 series e46 is over 17yo and both keys still work despite it having incredibly low MI (key not in ignition to charge much at all)
one key stops working sometimes but it is because it is not coded to the car
try to re code the key to the car first before you open the key
i almost tried to replace my battery and there was nothing wrong with it for some reason it came un coded to the car
Yes it was the battery my second key still works fine though with the original battery
huh i thought my battery was dead for the longest time in my second key then i took it to my mechanic who is a the head mechanic for one of the dealers but does work on the side, he put the key in to i fog=rget which ignition position and turned it to a few different positions and held some button on the FOB and then it worked again but then shortly after my other key stopped working i need to look up the procedure
but i am also going to get myself a K+DCAN cable and get int NCS expert
or maybe a BMW scan tool dongle so i can code other things myslef
really want the widow roll up with key FOB feature which is not permitted to be enabled here stateside like it is for you
Honda keys are beaucoup bucks too.
I tried but damaged some components of the circuit board. You need to be very careful with the blade and watch out that it doesnt go in too far. Still nicely explained and good video, but its not easy! I was not careful enough… hope others will succeed.
That’s a good point, they don’t make it easy do they
Would the 90 degree battery work for 2001 BMW 325i? I don't see e36 included when looking at batteries.
You have you have an E46
Did it work?
The old battery is 3v,and the new one is 3,6 volts.Is it working?
I know. How come the OP or no one else noticed that? I'm going to ask him again. That's a major mistake IMHO.
@andrewmcneil check out this question. From 4 years ago! (and I'm not shouting lol)
I got new rechargeable LIR2025 batteries online and after receiving them realized they are 3.6V and the original is 3.0V. Is this a problem? I remember reading somewhere that the facelift E46's have 3.0V and the non-facelifts 3.0. Should I try the 3.6V batteries or can overvoltage damage the key electronics?
@andrew mcneil, you seem to be using the 3.6V on the left-hand side, but what was the voltage on the batter on the right-hand side?
Why not just buy the right battery? Plenty from china. Some commenter said VL202.
@andrewmcneil do you see the question and comments here? These are from 3 years ago.
Ok, so hows this for weird - just put new battery in, same as yours (LIR2025), went out to the car and tested it - unlock works, boot unlock works, starts the car, but the key will NOT lock the car.
Everything working except lock function, and from a good distance, so new battery is OK, but it doesnt lock. Tried pressing the button on the circuit board directly - nothing.
any ideas???
May need to solder a new micro switch onto the board
you need to reprogram your key to the car after changing the battery, to do that 1.insert key into ignition and turn only to the first switch then turn of and pull key out
2. on the key press and hold the unlock button and press the lock button 3 times while still holding the unlock button, then release it.
if you did it correctly after releasing you will see the car locking and unlocking all 4 doors which is a confirmation that the key is programmed correctly.
Could you replace my battery for me?
What battery did you use
Dont think you need to use a soldering tool
The battery simply pops out nicely and you need to simply slide in the new one
Also ensure its a RECHARGEABLE type
The key replacement done by bmw consists of cutting of a new metal key, placing it into the igniton and pressing and holding a button. Its just a money grabber
Thank Andy. The battery has to be LR2025 right?
Yep
@@andrewmcneil no, your original battery (like mine) was a VL2020, They are 3.0V. You replaced it with the WRONG battery- a 3.6V battery. WHY DID YOU DO THAT? AND DOES IT STILL WORK? Thanks!
@@MarkShapiroMusic Yes
@@andrewmcneil Thanks! My question was- WHY DID YOU DO THAT?
@@MarkShapiroMusic I don’t know why you’re shouting but 8 years ago this was the correct battery and yes it still works. If the battery model number has changed in 2023 fine when mine stops working again I will look into it.
i tried this at home and i sliced my finger off and there is blood everywhere. what do i do?
Jesus bro, dont hold it like that man. you are about to cut your fingers off.
No still have all 9
It does not work.
oof.. my key just died, and batteries are around 13USD now. 🤔😕
BMW are greedy want your money
Hello my idol 😉 pls teach me how to make a powerful wifi gun for my WiFi Huawei B953 LTE pls reply asap thank you and God bless your family
Just watch his videos 🙄🤦♂
I have just purchased two new key's for my E46 and it only cost me £80
I would rather pay for a key than to mess about doing that shit loosing a finger in the process. but suppose if your cheapskate then this is the way for you!!
As the saying goes “you can’t help stupid”
If you're a fuckwit then your's is the way for you!!
You are pretty cheap to run such an old car. It cost me £0 to have 2 original keys still working. I only drive rarely and have no idea where the keys get the charge from. Maybe from atmospheric static electricity.