Retrofit heated memory seats E85 struggles

[adnan.exe]

Hi everyone,

This is my first post on this forum. I've been struggling to retrofit my new heated memory seats into my Z4 E85.

I have been looking at the differences between my new and old seat connectors and noticed that the connectors support two different occupancy sensors.

My old seats have the occupancy sensor with module, where as my new seats don't seem to need that module.

The harness in my car has the second oval shaped connector running from the seat belt buckles, my new seat just has it run straight to the connector.

Will I need to buy one of those bypass modules I'm not sure how they work or which one I will need, or am I supposed to wire in the secondary oval harness in my car into the big connector so that it works with my new occupancy sensors?

I will attach some pictures, I would prefer to use the module less occupancy sensors but if not I could strip the seats and swap the mats so that its plug and play with my wiring harness in my car.

 

[adnan.exe]

This is the oval connector I spoke about above.

 

[bigwinn]

I’m just playing with a similar set up here

I fitted on the passenger seat a bypass for the occupancy sensor and a seatbelt clip bypass, however the drivers seat is now causing an alarm so I think I need to bypass that belt too

I’ve bought mine from eBay

 

[zriha]

Sorry for jumping in like this, but this can retrofit heating? As I have my E85 2.5i without heating seats, and my ass is cold like Antartica during winter. Where did you buy it? Any recommendation?

Thanks and I will keep my eye on this post.

Regarding sensors you just find the right resistor and bypass it. I used resistors on my track cars to bypass the airbag sensor alarm.

 

[adnan.exe]

Hi everyone,

Thanks for the replies, which sensors will I need, and where do I plug them in?

And I bought the seats from a z4 Facebook page it's the best place to get them is from another owner swapping their interiors or breaking their z4, if you get them from eBay they charge way too much and you have to pay postage too.

 

[bigwinn]

Sorry for jumping in like this, but this can retrofit heating? As I have my E85 2.5i without heating seats, and my ass is cold like Antartica during winter. Where did you buy it? Any recommendation?

Thanks and I will keep my eye on this post.

Regarding sensors you just find the right resistor and bypass it. I used resistors on my track cars to bypass the airbag sensor alarm.

Whats your car build month/year- look in the engine bay for a plate

If its older than October 2004 you stand a very good chance of the loom being in place and only needing to find a set of seats and a switch unit

 

[enuff_zed]

Or failing that [ref]adnan.exe[/ref], book yourself a trip to Lincoln and see Stuart (bigwinn). Not much he hasn't achieved on these cars in the last couple of years.

 

[zriha]

Whats your car build month/year- look in the engine bay for a plate

If its older than October 2004 you stand a very good chance of the loom being in place and only needing to find a set of seats and a switch unit

Aha, roger that, ok I have a 2003. model, so I would need to find seats with heating. Perfect! Cheers!

 

[DashingDaryl]

If its older than October 2004 you stand a very good chance of the loom being in place and only needing to find a set of seats and a switch unit

Not to be inane, but do you mean my 2003 has the loom? Or when you say older than 10/04 you mean the cars built after 10/04?

 

[bigwinn]

If its older than October 2004 you stand a very good chance of the loom being in place and only needing to find a set of seats and a switch unit

Not to be inane, but do you mean my 2003 has the loom? Or when you say older than 10/04 you mean the cars built after 10/04?

Cars built up to that date (older) have the loom

After that they don’t and you’d need to get a loom installed

 

[DashingDaryl]

Cars built up to that date (older) have the loom

After that they don’t and you’d need to get a loom installed

That is awesome! Thanks

 

[adnan.exe]

So I bought the bypass and installed it but now I have an airbag warning light that won't go away, what should I do?

I just bought a OBD cable so I can plug into a laptop since my cheap OBD handheld reader doesn't pick up the airbag faults.