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Comfort Access BMW X5 G05 2021
08-05-2024, 19:17 PM,
Post: #1
XZBMW  Comfort Access BMW X5 G05 2021
Hi 

I’ve ordered all CA parts for my X5 G05 2021 (prod date 07.21) and I’m trying to figure out if the wires and connectors are already there or if I have to make/purchase these as well. I’m gonna leave the programming to BMW service Tech.

Thanks for your insights smile

Br
Redrock_no
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09-05-2024, 06:57 AM, (This post was last modified: 09-05-2024, 08:01 AM by dumitru.o.)
Post: #2
RE: Comfort Access BMW X5 G05 2021
hi

nothing is there. have you ordered the CA function from BMW? or just the parts ? when you say "all parts" what exactly do you mean by that ?
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09-05-2024, 07:54 AM, (This post was last modified: 09-05-2024, 07:54 AM by Node.)
Post: #3
RE: Comfort Access BMW X5 G05 2021
You do realize that if that car did not have comfort access from factory, you most likely need to replace BDC!? Not just "wires and connectors"!

In order to tell more exactly, we need your VIN.

"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein.
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09-05-2024, 10:24 AM, (This post was last modified: 03-06-2024, 08:43 AM by redrock_no.)
Post: #4
RE: Comfort Access BMW X5 G05 2021
(09-05-2024, 06:57 AM)dumitru.o Wrote:  hi

nothing is there. have you ordered the CA function from BMW? or just the parts ? when you say "all parts" what exactly do you mean by that ?

Basically, antennas (internal and external), door handles + various brackets. I also ordered the contactless trunk parts (controller and sensors)

(09-05-2024, 07:54 AM)Node Wrote:  You do realize that if that car did not have comfort access from factory, you most likely need to replace BDC!? Not just "wires and connectors"!

In order to tell more exactly, we need your VIN.

Hi Node

My VIN:
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09-05-2024, 10:57 AM, (This post was last modified: 09-05-2024, 10:59 AM by Node.)
Post: #5
RE: Comfort Access BMW X5 G05 2021
According to your VIN your BDC is part number 4A18BC5, which does NOT support CA. So you will need at least new BDC. Potentially new keys too. These you will have to get new from dealer for your VIN. Door handles, wiring, similar small stuff, coding/programming is the least of your worries here.

"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein.
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09-05-2024, 15:54 PM,
Post: #6
RE: Comfort Access BMW X5 G05 2021
(09-05-2024, 10:57 AM)Node Wrote:  According to your VIN your BDC is part number 4A18BC5, which does NOT support CA. So you will need at least new BDC. Potentially new keys too. These you will have to get new from dealer for your VIN. Door handles, wiring, similar small stuff, coding/programming is the least of your worries here.

Thank you very much for your help! 

Could you please also check this VIN:  WBATA6103M9H73297

I know this X5 got CA (322), but is missing Softclose (323) and Comfort Telephony W/ Enhanced Smartphone (6NS), but will this BDC part number be compatible with my car?
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09-05-2024, 15:57 PM,
Post: #7
RE: Comfort Access BMW X5 G05 2021
You CAN'T use used BDC3 on a different car.

"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein.
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09-05-2024, 16:28 PM,
Post: #8
RE: Comfort Access BMW X5 G05 2021
(09-05-2024, 15:57 PM)Node Wrote:  You CAN'T use used BDC3 on a different car.

Not even with re-coding?

So basically what you're saying is that there is no way to retrofit CA in my car?
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09-05-2024, 18:19 PM, (This post was last modified: 09-05-2024, 18:26 PM by Node.)
Post: #9
RE: Comfort Access BMW X5 G05 2021
First, you need to change VIN in BDC3. There is NO way to do that AFAIK on the used BDC3. Heck, not even BDC2 is cracked yet. Recoding won't help till you can do that.

I'm saying that you need to buy NEW BDC3 from BMW with CA support. That is possible, but it will cost you significant amount of whatever monetary units you use. You need to decide whether that is acceptable. And all wiring/flashing/coding issues will need to be solved after BDC was changed.

Of course another way is you could MAYBE adjust VINs in all other units to the donor VIN, fix ISNs in DME, EDME, etc. Again, I don't know if all of those are cracked yet too. IMHO at this moment you will still need to buy SOME new units. Which may cost even MORE than new BDC3. And you will end up with a car which electronics VIN does not match physical, so you may have all kinds of other problems. Depending on whether you want to use ConnectedDrive, etc.

"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein.
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10-05-2024, 08:05 AM,
Post: #10
RE: Comfort Access BMW X5 G05 2021
(09-05-2024, 18:19 PM)Node Wrote:  First, you need to change VIN in BDC3. There is NO way to do that AFAIK on the used BDC3. Heck, not even BDC2 is cracked yet. Recoding won't help till you can do that.

I'm saying that you need to buy NEW BDC3 from BMW with CA support. That is possible, but it will cost you significant amount of whatever monetary units you use. You need to decide whether that is acceptable. And all wiring/flashing/coding issues will need to be solved after BDC was changed.

Of course another way is you could MAYBE adjust VINs in all other units to the donor VIN, fix ISNs in DME, EDME, etc. Again, I don't know if all of those are cracked yet too. IMHO at this moment you will still need to buy SOME new units. Which may cost even MORE than new BDC3. And you will end up with a car which electronics VIN does not match physical, so you may have all kinds of other problems. Depending on whether you want to use ConnectedDrive, etc.

Thank you very much! I just cancelled my parts order. One last question; in mr_nitroz G05 keyless retfofit post in this forum, Mwahab stated that the BDC could be modified by adding the missing components (by soldering). Is this something you’ve heard about too?
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