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      06-14-2022, 04:39 AM   #8
Binary420
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Drives: 2008 E92 M3 DCT
Join Date: Jun 2021
Location: San Diego, CA

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2008 BMW M3  [9.33]
Quote:
Originally Posted by SilverSlug View Post
Ah okay, all of your fobs are Chinese style replicas?

Only Comfort Access fobs have removable batteries, the non-Comfort Access fobs do not.

So, if your Chinese fobs don't have them, they likely aren't compatible with Comfort Access.
I do have comfort access, yes.
The key I'm trying to program in a chinese replica.

However the other key I have is an original comfort access key, on that original CA Key, it still will start the engine, but the remote fob and CA both do not work anymore, since it went swimming in the ocean by mistake.

So the original CA key starts the engine when I insert it into the slot,
and all the other keys I attempt to program will also start the engine when inserted into the slot.

However, I am no longer able to run the DME CAS Sync operation. It fails every time.

besides programming the key to the car with the scan tools, is there any other procedure to sync / re-learn the remote fob portion of a key?


Also, there is a company on amazon which sells a 2 pack of non CA keys, as well as CA compatible keys. I think the CA keys are like $15 more for the 2 pack compared to the non CA

Those are the keys I am trying to make work with the car.
link below.

https://s.binary.lol/CAcompatibleKey
Appreciate 0