Not joined yet? Register for free and enjoy features such as alerts, private messaging and viewing latest posts and topics.

Help please - wiring heated seats

2003 - 2009, roadster, coupe, facelift
Post Reply
IRD
Senior Member
Senior Member
Posts: 2625
Joined: Sat Apr 15, 2017 5:41 pm
Location: Lincoln

Help please - wiring heated seats

Post by IRD » Mon Jul 03, 2017 11:22 pm

MrPT wrote: Tue Jan 26, 2016 3:14 pm I've got the retrofit instructions: https://dl.dropboxusercontent.com/u/153 ... _seats.pdf
Hi Paul

Thanks for getting back to me.
I think this is the link if I have copied it properly.
I am going to get a local auto electrician to sort out the electrics for me. It is way outside my limited capability. I would probably blow all the electrics if I tried. What I am trying to do is to gather as much information as possible to help him. My 2005 2.2 is unfortunately pre-wired for electric seats.
I think I have managed to source a wiring loom for the driver's seat. I found it on eBay tonight. Won't know for sure until it arrives. Unfortunately the guy had already sold the one for the passenger seat.

Thanks again for your help.
Kind Regards
Ian

User avatar
MrPT
Lifer
Lifer
Posts: 4745
Joined: Sun Oct 21, 2012 7:44 pm
Location: Bucks/Oxon

Help please - wiring heated seats

Post by MrPT » Mon Jul 03, 2017 11:32 pm

IRD wrote: Mon Jul 03, 2017 11:22 pm
MrPT wrote: Tue Jan 26, 2016 3:14 pm I've got the retrofit instructions: https://dl.dropboxusercontent.com/u/153 ... _seats.pdf
Hi Paul

Thanks for getting back to me.
I think this is the link if I have copied it properly.
I am going to get a local auto electrician to sort out the electrics for me. It is way outside my limited capability. I would probably blow all the electrics if I tried. What I am trying to do is to gather as much information as possible to help him. My 2005 2.2 is unfortunately pre-wired for electric seats.
I think I have managed to source a wiring loom for the driver's seat. I found it on eBay tonight. Won't know for sure until it arrives. Unfortunately the guy had already sold the one for the passenger seat.

Thanks again for your help.
Kind Regards
Ian
https://www.dropbox.com/s/tp5llozpmxh2l ... _seats.pdf

Try that.
2008 Z4MC: heavy wheels | crap suspension | skittish rear end | wobbly engine | not enough induction noise | underwhelming turn in | inconsistent braking | lardy battery | chubby steering wheel
2006 Z4 2.5si: gone

IRD
Senior Member
Senior Member
Posts: 2625
Joined: Sat Apr 15, 2017 5:41 pm
Location: Lincoln

Help please - wiring heated seats

Post by IRD » Tue Jul 04, 2017 12:43 am

Thanks Paul. That link worked fine. All the instructions are there. Plus all the information and photographs in your excellent write-up will be really helpful too.

Thanks for your patience. I'll let you know how I get on.

Kind Regards

Ian

Lewy
Newbie
Newbie
Posts: 22
Joined: Sun Aug 06, 2017 5:25 pm

Help please - wiring heated seats

Post by Lewy » Sat Aug 12, 2017 9:02 am

MrPT wrote: Tue Jan 26, 2016 3:14 pm I've got the retrofit instructions: https://dl.dropboxusercontent.com/u/153 ... _seats.pdf
Hi,
Thanks for the helpful post all, but 'MrPT' I can't access your instructions in English any more. Is there any way you could post an active link for these?

'Fishy Dave',
Do you have the instructions in English still and is there any way you could post a link to them? I'm gonna try this bmw dealer in Lithuania mentioned in the other post on this but I'm struggling and thought I could maybe make the loom if I
Have the English instructions.

Any help would be really appreciated.

Lewy
Newbie
Newbie
Posts: 22
Joined: Sun Aug 06, 2017 5:25 pm

Help please - wiring heated seats

Post by Lewy » Sat Aug 12, 2017 9:10 am

Sorry guys, scratch the last request. I didn't see this last link that worked. :oops:
Very helpful thanks for posting! :thumbsup:

Lewy
Newbie
Newbie
Posts: 22
Joined: Sun Aug 06, 2017 5:25 pm

Help please - wiring heated seats

Post by Lewy » Wed Aug 16, 2017 11:27 pm

Also thanks IRD for you info on obtaining the loom from Lithuania in the other post. I managed to order one today.

eduardo3108
Newbie
Newbie
Posts: 7
Joined: Tue Oct 10, 2017 8:29 am

Help please - wiring heated seats

Post by eduardo3108 » Tue Oct 10, 2017 8:44 am

Hi all! I have a 2003 z4 3.0i and I have been wishing to install heated seats for a while. I´ve ordered the retrofit kit for the X3 and I was wondering. Doest the pre face lift Z4 have the wiring in the seats already installed? So i just need to wire the seats to the control panel right?

Many thanks for all your help and this thread. It´s been very useful so far.

jamie_z4
Lifer
Lifer
Posts: 4621
Joined: Fri Dec 31, 2010 9:38 pm

Help please - wiring heated seats

Post by jamie_z4 » Tue Oct 10, 2017 9:17 am

eduardo3108 wrote: Tue Oct 10, 2017 8:44 am Hi all! I have a 2003 z4 3.0i and I have been wishing to install heated seats for a while. I´ve ordered the retrofit kit for the X3 and I was wondering. Doest the pre face lift Z4 have the wiring in the seats already installed? So i just need to wire the seats to the control panel right?

Many thanks for all your help and this thread. It´s been very useful so far.
all the wiring is already there - no loom needed - it will just plug and play.
18 Z4s owned to date.

Current: 2.5i Titan silver

Daily driver: 480bhp M140i Shadow edition.

User avatar
Marlon
Lifer
Lifer
Posts: 10899
Joined: Mon Jan 05, 2015 11:13 am
Location: Lancs.
Contact:

Help please - wiring heated seats

Post by Marlon » Tue Oct 10, 2017 10:03 am

eduardo3108 wrote: Tue Oct 10, 2017 8:44 am Hi all! I have a 2003 z4 3.0i and I have been wishing to install heated seats for a while. I´ve ordered the retrofit kit for the X3 and I was wondering. Doest the pre face lift Z4 have the wiring in the seats already installed? So i just need to wire the seats to the control panel right?

Many thanks for all your help and this thread. It´s been very useful so far.
Just to add to Jamie's response, it was only the 'face-lift' (2006 onwards) Z4s that stopped 'pre-wiring' the looms for heated seats (and cruise control), which meant us 'face-lift' owners had the PITA job of sourcing the looms and retro-fitting them.
Image
Gone: 3.0si 2008 E85
911 997 Carrera S

eduardo3108
Newbie
Newbie
Posts: 7
Joined: Tue Oct 10, 2017 8:29 am

Help please - wiring heated seats

Post by eduardo3108 » Tue Oct 10, 2017 10:10 am

Thank you very much for your quick reply Jamie and Marlon. There´s one thing I don´t understand though. The pre-wiring means the heating elements are inside the seats, so i need then to "connect" the seats to a new control panel? Or does it mean that I just need to buy a new control panel with the heating seats control, and no wiring at all needs to be done?

The cruise control pre wiring is also great news, since I was planning to install that as well :)

jamie_z4
Lifer
Lifer
Posts: 4621
Joined: Fri Dec 31, 2010 9:38 pm

Help please - wiring heated seats

Post by jamie_z4 » Tue Oct 10, 2017 10:18 am

yeah you need a panel - usually around 30 quid on ebay that again just plugs into the connector on the back ready to go
18 Z4s owned to date.

Current: 2.5i Titan silver

Daily driver: 480bhp M140i Shadow edition.

eduardo3108
Newbie
Newbie
Posts: 7
Joined: Tue Oct 10, 2017 8:29 am

Help please - wiring heated seats

Post by eduardo3108 » Wed Oct 11, 2017 9:37 am

Thanks! I just bought a panel from a UK vendor in eBay. It should work on a EU car with left hand drive?

User avatar
Marlon
Lifer
Lifer
Posts: 10899
Joined: Mon Jan 05, 2015 11:13 am
Location: Lancs.
Contact:

Help please - wiring heated seats

Post by Marlon » Wed Oct 11, 2017 10:15 am

eduardo3108 wrote: Wed Oct 11, 2017 9:37 am Thanks! I just bought a panel from a UK vendor in eBay. It should work on a EU car with left hand drive?
Yeah, can't see a problem - just test the heated seats one at a time before you fix the panel in place to make sure the controls are connected to the correct seats. (My garage got it wrong first time and the right control was heating the left seat!)
Image
Gone: 3.0si 2008 E85
911 997 Carrera S

eduardo3108
Newbie
Newbie
Posts: 7
Joined: Tue Oct 10, 2017 8:29 am

Help please - wiring heated seats

Post by eduardo3108 » Mon Oct 16, 2017 9:18 am

Marlon wrote: Wed Oct 11, 2017 10:15 am
eduardo3108 wrote: Wed Oct 11, 2017 9:37 am Thanks! I just bought a panel from a UK vendor in eBay. It should work on a EU car with left hand drive?
Yeah, can't see a problem - just test the heated seats one at a time before you fix the panel in place to make sure the controls are connected to the correct seats. (My garage got it wrong first time and the right control was heating the left seat!)
Great thanks. Already ordered the panel, should arrive later this week. I'll let you know how it goes. Thanks for all your help!

eduardo3108
Newbie
Newbie
Posts: 7
Joined: Tue Oct 10, 2017 8:29 am

Help please - wiring heated seats

Post by eduardo3108 » Mon Oct 30, 2017 9:45 am

jamie_z4 wrote: Tue Oct 10, 2017 10:18 am yeah you need a panel - usually around 30 quid on ebay that again just plugs into the connector on the back ready to go
I received the panel last friday and swapped it for my old panel. However, when I press the heated seats button, all three lights switch on and off (green lights) and nothing happens. Any ideas why this is happening? Do i need to install any wiring apart from changing the panel?

Many thanks for all your help

Post Reply