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      01-06-2024, 03:51 AM   #34
MSport_Jon
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Drives: X3 F25 LCI /// F80 M3 (SOLD)
Join Date: May 2013
Location: Bavaria, Germany

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Quote:
Originally Posted by M_Bimmer View Post
The only module that shows up on the control unit tree related to heating is the SZL.

The thermistor feedback to PWM heating element adjustment is done in the steering wheel electronics module.
Ebay strikes again... ( I remember. asking the seller if the steering wheel was heated)

So, I finally got to the bottom of the problem. The steering wheel isn't heated. The heating element is missing. The LRA has the pins for it ( I think) though, and has the vibe motor connected. I'm stuck with a steering wheel that doesn't do anything for me now. Any pointers? Can I buy the heated steering wheel and reuse the module that supports the vibe??

Here is the LRA module on my steering wheel. As you can see, the third connector in the middle is unpopulated and the wire going into the steering wheel handle is missing. All there is left is the wire for the vibe motor and the LIN and power upstream cable.




What I would like to know if this LRE module supports heating. My gut feeling tells me no but I can ask the experts here to set me straight.

Last edited by MSport_Jon; 01-06-2024 at 05:59 AM..
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