Your Bmw Serie 3 doesn’t start anymore? Have you tested everything? Battery, alternator, spare keys… And you have the feeling that the issue comes from your immobiliser ? It is certainly possible, indeed that it is in question if your car no longer wants to start or stalls when starting for no reason. You want to disable the immobiliser on your Bmw Serie 3 ? You are in the right place, we have written this content to help you see more clearly and fix your problems linked to this element. First, we will see how the immobiliser functions on your Bmw Serie 3, then the different methods to disable it.
How your immobiliser system functions on Bmw Serie 3
Before explaining the different solutions available to you, here is a short intro to describe the goal and operation of the immobilizer in your Bmw Serie 3. This electronic component was invented 30 years ago and aspires to prevent the theft of your Bmw Serie 3. In fact, thanks to a transponder and an antenna (coil) included in the key, and, a immobilisation control box included in the ECU and a reception antenna on the neiman, your Bmw Serie 3 will go each time you put the key in the ignition, it controls that the code emitted by your key is indeed the one expected by your immobilization box. It is only at this moment, that it will allow you to turn on your car. It is thanks to RFID technology (chip in the key) that this device will work.
The different alternatives to bypass the immobiliser on your Bmw Serie 3
Enter the code to turn off the immobiliser
First technique, your key no longer permits your Bmw Serie 3 to start, you want to disable the immobiliser of your Bmw Serie 3, but first of all you should try this procedure to start it and take it to a mechanic examine that you can not do a less significant operation to reestablish the normal start of your car. In fact, with your car you should have a spare key (which you should try and which should start your Bmw Serie 3), but if you don’t have it you should at least have the “code card”, it includes the start code. Thanks to this code, you will still be able to start your car by entering it manually. To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to confirm the digit and resume, duplicate the operation until you have entered the whole code. This should allow your Bmw Serie 3 to start without having to remove the immobiliser.
Fix your key at a key specialist or your car dealer
If in spite of a battery change, several attempts to enter the immobiliser code on your Bmw Serie 3 still doesn’t want to start, it’s likely your key that’s at issue. We can understand that you still want to bypass the immobiliser device from your Bmw Serie 3. In fact, your transponder must have been injured or must have fallen off your key. To fix this issue, only option, go to a key specialist (also available on the internet) or, at your car dealer who can repair your Bmw Serie 3 key. Depending on who you go to the repair should cost you about 100 euros if you still have a copy or your “code card” and about 350 euros at your car dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Bmw Serie 3.
Manually remove your immobilizer
Although you may be attracted to bypass the immobilizer from your Bmw Serie 3, this is not advised at all for different reasons. First your Bmw Serie 3 would be much more vulnerable to theft attempts. In fact, without an immobiliser box, simply doing “the wires” may be enough to start it. Additionally to that, your insurance, in case of theft most likely won’t refund you if it finds out that the immobiliser on your Bmw Serie 3 has been removed, bypassed or deactivated. This if you still want to do it, some websites online still give the process, we have made the choice not to disclose it, because it could benefit people with bad intentions.
To get more tips on the Bmw Serie 3, take a look at the Bmw Serie 3 category.
