how do you change the battery in ther remote

[dave1]

as above anyone know thanks

[_Nathan_]

I think you just buy a new key. They recharge when they are in the ignition.

If you want to change it you can do it with a soldering iron though:

http://forum.e46fanatics.com/showthread.php?t=451510&highlight=key+battery

[dave1]

thanks mate

[Mark CSL]

good post this :thumbs:

[E46ACS]

I think they do charge up when they are in the ignition.

Although a new key from the dealers is about £80 IIRC.

[dave1]

my car's battery went flat due to lack of use then the poxy alarm is doing it's nut at 4am why does'nt it ever happen at 4pm :banghead:

now my button's dont work coincedence?

[_Nathan_]

Yes they do charge up but rechargable batteries do die in the end.

I recall the price being higher than that - you need to pay labour for coding it to the car too, had to have one as the dealer lost my key while servicing it (unbelievable eh!).

[_Nathan_]

My alarm started going mental (always in the middle of the bloody night) - unplug the bonnet switch and see if it goes away, if it does then swap that, was about £7 and took 2 mins.

[E46ACS]

The bonnet switch on E46's are well known to fail and cause the alarm to go off.

A simple replacement cures that problem.

[dave1]

the alarm was triggered but the car battery going flat

[E46ACS]

the alarm was triggered but the car battery going flat

Yeah, that would do it!!!!

[dave1]

just re synced the key and it's all good thanks nathan

i love forum's :beer: