R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 Heated Seat Retrofit Harness

Old Feb 12, 2026 | 10:41 AM
  #1  
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FuzzyLlama
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Heated Seat Retrofit Harness

I've been looking around for a while now, it seems like there are plenty of aftermarket heated seat options, but I am hoping to keep the OEM look with a mirror switch swap out and something to mimic the old NLA retrofit wiring harness.

Pretty confident my seats have the heating elements, they are the English leather style (06 JCW), and I think I can see the connector for the heater.

I stumbled upon this one today Auto 3D Design - MINI Gen 1 heated seat retrofit harness, new to me in my search, anyone have experience with them?

Am I overthinking this? I'm sure I could get away with some junkyard connectors/switch and a set of wires, but this seemed a bit more refined with less splices.
 
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Old Feb 13, 2026 | 07:25 AM
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Hello,

Thats all the info.

https://www.northamericanmotoring.co...-retrofit.html


If you can make a harness and get the center buttons, they should be prewired and can check under he seat?


Never heard of those guys.
 
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