You can try one of two sets of instructions and see if they work for your bmw.
Bmw car key programming.
Allow some time for the order to process.
Bmw actually make it easy to program a second key provided you.
If you still have one key and want a second or third key made then you re in luck.
The first thing you need to do is buy the correct blank key for your year and model of bmw.
Take the working key fob along with the ones you want to program inside the car with all doors and windows closed.
This procedure works on many bmws including 3 5 7 series z3 z4 x3 x5 m5 325i e38 e39.
How to program bmw keys.
Simply get in the car and close all doors.
Insert the key into the ignition to finalize.
Have one original key have the second blank key cut by a locksmith.
Like a keyfob the digital key card is unique to your bmw.
It requires a working ignition key and a quick 30 second process.
Contact your preferred bmw center with your vin to inquire about ordering your digital key card.
Repeat step four for any addition bmw key fobs that need programming.
To program a car key turn the ignition on and off with working keys.
The instructions to program the keyless entry fob on one bmw model won t necessarily work on another bmw model.
Put the working key into the ignition and turn to position 1.
Programming a new bmw key is very easy and quick.
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So if you have a working key fob but wish to program additional keys follow these steps.
Afterwards use the unprogrammed key or press a button on the key fob.
These instructions apply when you change the key battery or your bmw key has stopped locking unlocking the doors but the key starts the car.
Your key should work perfectly but if it doesn t you can take it to a professional auto dealer or locksmith for help.
Programming additional bmw key fobs.
You can activate it yourself or with the help of your dealer.