So, heated seats, then

[the Nefyn cat]

The Z3 ones though do seem to get very hot

Could be a sign that things are on their way out. Here's the latest broken wire, next to be the bit I soldered in last time

And the corresponding burn in the foam

I thought at the time that it was getting a bit hot, then it stopped heating at all. Guess there was a reason. Not finished the job yet, still got the backrest part to do, and then a bit of soldering. The replacement mats have a two pin plug on them, shame it doesn't fit the BMW one. Tomorrow will do, don't need heated seats at the moment, but I'd rather do it while the sun shines and I can drop the roof down. Then I'll find out just how toasty the new bits are.

 

[the Nefyn cat]

Spent a while today on the backrest bit. Can you spot the burnt bit?

Enough of a hole to stick a few fingers through.

And now to find out what this little feller is.

 

[the Nefyn cat]

A short wait till the rain stopped, seat back out, new plugs fitted to the BMW wiring, damn good hoovering, and seat back in. Oh the joy of a heated back-rest, absolutely lovely on my poor aching back. Well worth having, if I'd realised that the back was supposed to be heated as well as the base I'd have done this years ago. Can definitely recommend the carbon mat type pads from ebay, easy to do and lots of lovely warm. Cable ties are loads easier than re-using the old rings, that's for sure. Happy days.

 

[mrscalex]

The yellow strip is some sort of proximity detector I guess as it stops the seat going back too far. Quite often doesn't work.

 

[colb]

A seach on oem using the part number reveals it to be a sports seat stop switch, https://www.realoem.com/bmw/enUS/sh..._1994_Z3_BMW_Z3_18&diagId=61_0165#61318407551

 

[the Nefyn cat]

Yep, found it. Fiddly little bu**er to get off so I could unzip the seat, won't be so bad next time, I'll know what to do.
Didn't help that I read the last figure in the BMW nr as 5 when it's actually an S.