[jeg139]

Hi guys,

I have some trouble with one of my keys ( the other one working great ), it work for start the car, but the remote for open, close door or open trunk don't work. It work well with the other one. Ista+ recognize the key well when plugged in. It's an european car from 2007 E87 118d 143 hp.

does anyone have any advice or ideas? before I order a new one, thanks !

[user0086]

Probably just a broken battery contact, or even empty battery. It doesn't use the battery for starting.
But there are many more components on the key that are only required for the remote function so it could be anything.

[jeg139]

Probably just a broken battery contact, or even empty battery. It doesn't use the battery for starting.
But there are many more components on the key that are only required for the remote function so it could be anything.

Thank you for the answer,
I tested the battery and changed it out of precaution to be sure. Without success.

[willisodhiambo]

Probably just a broken battery contact, or even empty battery. It doesn't use the battery for starting.
But there are many more components on the key that are only required for the remote function so it could be anything.

Thank you for the answer,
I tested the battery and changed it out of precaution to be sure. Without success.

Faulty Key, replace.

[jaki]

Have You tried to initialize the key that don't work (remote, open cloe doors etc)?
Maybe it has only lost its initialising.

[qbek90]

I would love to know how to initialize a used key in e87?

[Rawediag]

I think initialization only works on e34,e36,e38,e39,e46,e53,e83. On e87 like e90,e60 you can only block(add/remove lost)key.

[wjgud123]

Check frequency on car and remote.
Also can be diversity antenna

[Raimo5]

As far as I know, E87 subscribes to same remote initialization as other E series cars. I might be wrong but give those a try.

Three methods to try:


Method 1:
1. Working from within the vehicle and with the doors shut
2. Turn ignition to position 1 and back to off within 5 seconds.
3. Remove the key from ignition and press and hold the unlock button for 15 seconds during this time press the key lock button 3 times within 5 seconds.
4. Release both buttons.
5. Doors will lock and unlock to show correct programming has occurred.
 
Method 2:
To do this procedure you need to have one working key and one key that needs to be programmed.
1) Get in and close all doors.
2) Turn on the ignition and turn off quickly. (No more than 5 seconds) to start the process. Next action must take place within 30 seconds.
3) Remove the 1st key.
4) Hold the key up near your left shoulder (this is so it is closer to the remote receiver antenna.
5) Hold down the unlock button and press the lock button 3 times. Release the unlock button and the doors lock which confirms the operation.
6) Quickly repeat steps 4 & 5 for key #2 etc.
If it does not work, try doing the keys in opposite order. Key 2 then key 1, vs 1 then 2.

Method 3:
Alternate if you do not have a working remote
1. Turn key to position 1 five times very quickly 2. Remove key 3. Hold unlock button then press lock button 3 times, release unlock button.
4. If you have another key do the same button pressing within 30 seconds 5. Turn on ignition to finalise.
PLEASE NOTE: This programming procedure programs the remote control part of the key. Any transponder chip for the immobiliser (starting of car) will not be programmed and must be done by a specialist.

[willisodhiambo]

Guys, he has two keys. He says one is working correctly. Is it not obvious that the key that is not working is faulty? If it starts the car it is properly programmed. There is no initialization possible for cas Keys!! I don't get it why there is so much speculation and guesswork