BMW M5 Forum

Post Reply
 
Thread Tools Search this Thread
      08-27-2024, 02:52 PM   #1
R14hwl
New Member
1
Rep
12
Posts

Drives: Bmw e92 335d
Join Date: Jul 2023
Location: Wales

iTrader: (0)

Bmw key fob!!!

As stated need a helping hand with my key fob, non of the buttons work to lock or unlock the car, the central locking button in the car works perfectly for all doors same as opening with the key blade all doors open as should, i have had a new key made and programmed by a local automotive locksmith woth still no joy i dont know what software he uses but he said there are no faults in the car 🤦 i have also changed the diversity antenna with no luck checked all the fuses i have also checked the loom running to the diversity antenna with no joy

Anyone else had this problem?? I need to fix this 😂😂

Located south wales uk

I don't have access to ISTA unfortunately

Car is a 2013 bmw x1 e84.....
Appreciate 0
      08-27-2024, 03:29 PM   #2
No one
Major
1103
Rep
1,439
Posts

Drives: F21 118i
Join Date: Oct 2014
Location: Undisclosed

iTrader: (0)

Insert/replace the fob battery.
Appreciate 1
      08-27-2024, 03:30 PM   #3
CTSean
Lieutenant
344
Rep
404
Posts

Drives: LCI BSM MT M2
Join Date: Dec 2018
Location: CT

iTrader: (1)

Definitely sounds like a battery problem.
Appreciate 1
      08-27-2024, 03:45 PM   #4
R14hwl
New Member
1
Rep
12
Posts

Drives: Bmw e92 335d
Join Date: Jul 2023
Location: Wales

iTrader: (0)

Quote:
Originally Posted by No one View Post
Insert/replace the fob battery.
I have a brand new key fob, another has a new battery and then another key tat cant change the battery 🤦🤦😂😂
Appreciate 0
      08-27-2024, 03:46 PM   #5
R14hwl
New Member
1
Rep
12
Posts

Drives: Bmw e92 335d
Join Date: Jul 2023
Location: Wales

iTrader: (0)

Quote:
Originally Posted by CTSean View Post
Definitely sounds like a battery problem.

Car battery or fob battery? Iv had the car battery charged on a trickle charge for 2 days even though there was no signs of it being low
Appreciate 0
      08-27-2024, 04:15 PM   #6
DomMuc
Lieutenant
DomMuc's Avatar
Germany
620
Rep
510
Posts

Drives: G87 M2
Join Date: Nov 2012
Location: Munich

iTrader: (0)

are you sure the diversity is the antenna for the key? i thought on e8x/e9x the antenna is inside the rearvierwmirror ?!
Appreciate 0
      08-27-2024, 04:41 PM   #7
R14hwl
New Member
1
Rep
12
Posts

Drives: Bmw e92 335d
Join Date: Jul 2023
Location: Wales

iTrader: (0)

Quote:
Originally Posted by DomMuc View Post
are you sure the diversity is the antenna for the key? i thought on e8x/e9x the antenna is inside the rearvierwmirror ?!
Its a black box just under the middle brake light on the e84
Appreciate 0
      08-27-2024, 04:52 PM   #8
DomMuc
Lieutenant
DomMuc's Avatar
Germany
620
Rep
510
Posts

Drives: G87 M2
Join Date: Nov 2012
Location: Munich

iTrader: (0)

i know what the diversity looks like... but the antenna for the keys is inside the rearviewmirror wich is located at your cars windscreen...
Appreciate 0
      08-27-2024, 05:11 PM   #9
JimmyJazz
Private
United_States
574
Rep
94
Posts

Drives: 2020 M340i, 2009 PontiaG8GT,
Join Date: Jan 2022
Location: Lubbock TX USA

iTrader: (0)

When my key fob started acting up, it was a sign the main car battery needed changing.
Appreciate 0
      08-27-2024, 05:32 PM   #10
R14hwl
New Member
1
Rep
12
Posts

Drives: Bmw e92 335d
Join Date: Jul 2023
Location: Wales

iTrader: (0)

Quote:
Originally Posted by DomMuc View Post
i know what the diversity looks like... but the antenna for the keys is inside the rearviewmirror wich is located at your cars windscreen...
Some people say yes and some people say no about the rear view mirror 🤷🤷🤷
Appreciate 0
      08-28-2024, 10:57 AM   #11
DomMuc
Lieutenant
DomMuc's Avatar
Germany
620
Rep
510
Posts

Drives: G87 M2
Join Date: Nov 2012
Location: Munich

iTrader: (0)

so checked wiring diagram .. antenna is in the diversity...
diversity is located in the trunklid?! if Yes .. check Harness for brohen wires in the rubbergrommet between trunklid and body.. wire for key signal is blue/white
Appreciate 0
      08-28-2024, 04:21 PM   #12
R14hwl
New Member
1
Rep
12
Posts

Drives: Bmw e92 335d
Join Date: Jul 2023
Location: Wales

iTrader: (0)

Quote:
Originally Posted by DomMuc View Post
so checked wiring diagram .. antenna is in the diversity...
diversity is located in the trunklid?! if Yes .. check Harness for brohen wires in the rubbergrommet between trunklid and body.. wire for key signal is blue/white

Thanks for looking for me, have also checked the wiring and all seems fine no broken wires also checked blue and wire with a tester and when oressing buttons on the fob it picks up and tester starts beeping so all fine there
Appreciate 0
      08-29-2024, 03:25 PM   #13
R14hwl
New Member
1
Rep
12
Posts

Drives: Bmw e92 335d
Join Date: Jul 2023
Location: Wales

iTrader: (0)

Quote:
Originally Posted by DomMuc View Post
so checked wiring diagram .. antenna is in the diversity...
diversity is located in the trunklid?! if Yes .. check Harness for brohen wires in the rubbergrommet between trunklid and body.. wire for key signal is blue/white
Could you send me the wiring diagram for the diversity please? Maybe i could chase thw wiring back to see where it goes and test more

Thanks
Appreciate 0
      08-30-2024, 12:34 PM   #14
R14hwl
New Member
1
Rep
12
Posts

Drives: Bmw e92 335d
Join Date: Jul 2023
Location: Wales

iTrader: (0)

Quote:
Originally Posted by R14hwl View Post
As stated need a helping hand with my key fob, non of the buttons work to lock or unlock the car, the central locking button in the car works perfectly for all doors same as opening with the key blade all doors open as should, i have had a new key made and programmed by a local automotive locksmith woth still no joy i dont know what software he uses but he said there are no faults in the car 🤦 i have also changed the diversity antenna with no luck checked all the fuses i have also checked the loom running to the diversity antenna with no joy

Anyone else had this problem?? I need to fix this 😂😂

Located south wales uk

I don't have access to ISTA unfortunately

Car is a 2013 bmw x1 e84.....

UPDATE!!!! after playing around with a launch diagnostics today this is what comes up anyone have an ideas of these?? Would it be pointing at car battery being weak??
Attached Images
      
Appreciate 0
Post Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 09:50 AM.




m5:
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST