I’ve got a burn hole through my seat, that burned through my jeans and caused a small burn on my leg.

Happened a couple of years ago. Still haven’t fixed it, just disconnected the switch. It’s ridiculous that it hasn’t been a safety recall.

This occurs on a lot of cars not just BMW. Happened on a friend's brand new <1 year old Subaru. I'd like to know how many of these burn seats are sport seats vs. comfort seats?

Mine is comfort seats, and I know of another 4.8iS owner with comfort seats that has the same issue. I may bring it to the local stealership and see what they say. I actually like using my heated seats, it would be a huge bummer if I wasn't able too

Awhile back I had my key in the run position but not started and I leaned into the X to get some stuff from the center console and when I put my hand on the seat with all my weight on it I got a popping noise and the light came on saying the seat heater was on (lowest setting) but so far it's never happened again and the heater has worked flawlessly. I'll keep an eye on it in case. But if I get a hotspot where my hand was then everyone should think back to any belville spring sound they may of had in the past and if it corresponds to their hotspot. :dunno:

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Have this issue as well. Dealer says the part is discontinued and won't even give me the old part number. Does anyone know the part number or have the part available. I have the beige/light tan seats in my '04. Thanks

It’s a hard part to find. Dealers don’t like dealing with them and BMW resists a recall. Try eBay.
All part numbers can be found on RealOEM.

https://www.realoem.com/bmw/enUS/select

I had a similar issue in my e53 but car was totaled before I got a chance to fix it.

The problem is a near break in the resistive element giving a high resistance spot. If you can jumper that spot you'll change it from a hot spot to a cold spot but I'm not sure the brat way to do that. Conductive epoxy? Crimp connector?


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This *shouldn't* be that hard to do, with the seat cover off.

I just installed comfort seats in my E53 and the seller didn't say anything about this, but there is an extremely hot spot in the lower cushion closest to the door. I measured with an infrared thermometer and the spot is close to 200 degrees.

I can't find any real info about how the seats are put together and what the heating pad actually looks like.

I have it all apart. The heating pad is sewn on to the leather. The part is discontinued, no luck on ebay or putting the part number in the search engine. Anyone have a stash of parts out there?

Can you get to the wire inside the pad? Pictures? My thought is to thread some fine stainless wire though the conductive "rope"