BMW 320d se key not opening door

Leelad33 · 10-06-2012 09:06AM #1

Hi can anyone help please

My car key opens the door when it feels like and u could be 10 mins pushing the door open button on the key

If I use the key in the door the alarm goes off

Spipov · 10-06-2012 09:38AM

is this an e46? it means the battery is dying. you need a new key or if you could mod-change the battery.

if an e90, im not sure, i think you can change the battery easily

bazz26 · 10-06-2012 03:08PM

The battery in the key of the E90 recharges every time you put it in the ignition. Not sure if it is the same with the E46.

Quebec Delta Mike · 10-06-2012 06:30PM

Either way, whatever model, take your car, key(s), and log book, and I.D. to your nearest BMW dealer. Order a new coded key, it should take no more than a week to arrive, and about €30. It will save you a lot of hassle in the long run...

QDM

delly · 10-06-2012 09:31PM

30? more like 200 for a new remote key.

ValerieR · 10-06-2012 09:59PM

delly wrote: »

30? more like 200 for a new remote key.

I think it's in the region of 130/150 eur for a new E46 key. There is little that can be done if the battery is dead : the key cannot be dismantled 'elegantly' (it can but it's a delicate operation of cutting, soldering and glueing - it's quite well documented on the www but it looks like a lot of work/hassle).

I also think that BMW can only re-issue a total something like a total of 7 keys for chassis number. After that, it's a new locking system ... :O

I recently paid 240 eur for a new E61 key. That said, maybe the battery can be changed on this type of key.

Owen · 10-06-2012 10:28PM

It's about 200 euro by the time you pay a technican to code in your new key. If it's an e46, and you know someone handy with a soldering iron, you can replace the rechargeable battery. It's just a battery inside, and they do die after a certain number of charge cycles, but it's a much better fix than just getting a 200 euro key.

Captain Slow IRL · 10-06-2012 10:52PM

When the alarm goes off, stick the key in the ignition and turn it on - it should knock it off.

It could be your CEM module, if you have a second key check that it's working. If the fault is present with both keys, it's probably your CEM module but these can be bought 2nd hand and fitted.

carbon nanotube · 10-06-2012 11:35PM

delly wrote: »

30? more like 200 for a new remote key.

i think 30quid was for a lego one

Quebec Delta Mike · 12-06-2012 05:39PM

Yes...it must have been

QDM

BMW 320d se key not opening door

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