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Old 11th January 2018, 05:30 PM   #1
RodmanM3
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Default Heated seats retro fit

Hi Guys


Iíve just purchased some heated seats.

Are the wires in place and do I just need to buy a a/c heated control switch?
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Old 11th January 2018, 07:28 PM   #2
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Wires arent in place if you havent already got them, you need either the lower button (where parking sensor button is) or the one near the fan controller, both can be coded to work
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Old 11th January 2018, 08:55 PM   #3
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if you have electic seats with memory then you are good to go.

You just need the seats and either the seat button panel or the HVAC with heater buttons.

if you replace the HVAC panel, remember to code it to your car.

Once you have done that add the heated seat option to the cars VO and thats it.

Done this retrofit (m3 seats in my 335) and they work a treat.

Pm me if you need any info or advice mate

Last edited by ccfj1; 11th January 2018 at 09:00 PM.
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Old 12th January 2018, 03:08 PM   #4
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Quote:
Originally Posted by ccfj1 View Post
if you have electic seats with memory then you are good to go.

You just need the seats and either the seat button panel or the HVAC with heater buttons.

if you replace the HVAC panel, remember to code it to your car.

Once you have done that add the heated seat option to the cars VO and thats it.

Done this retrofit (m3 seats in my 335) and they work a treat.

Pm me if you need any info or advice mate
How do I code it?
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Old 12th January 2018, 03:57 PM   #5
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you need either isat-p or ncsexpert

read out the vo and then add heated seat option (sa494), then code frm and another module, and then add the heated seat button panel

OR

get a HVAC and code that with ncsexpert for the heated seats.

both will work no problem.
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Old 13th January 2018, 12:17 AM   #6
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Cheers
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Old 16th January 2018, 04:33 PM   #7
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Iíve just swap to a/c heated seat control.

There where only two wires but three ports.

Is the third port the wire I need for the headed seats?

I have pictures on my phone but I donít know how to upload them.

J
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Old 16th January 2018, 05:06 PM   #8
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Quote:
Originally Posted by RodmanM3 View Post
Iíve just swap to a/c heated seat control.
Unless the unit came from a car with the same spec as yours (and engine size etc), you will need to recode the HVAC module.

You will also need to tell the car it now has heated seats, otherwise the buttons wont light up or work.

Quote:
There where only two wires but three ports.

Is the third port the wire I need for the headed seats?
No its for the small button panel that sits under the hvac control (if you have things like auto stop start and front pdc etc).

If you dont have a button panel, then its left empty.

Quote:
I have pictures on my phone but I donít know how to upload them.

J
No need I think I know what you mean.
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Old 19th January 2018, 06:51 PM   #9
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I only problem I have now, when I connect the battery I have a Restraint system faulty! Seat belt and air bag are lit up.

J
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Old 19th January 2018, 09:17 PM   #10
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Sounds like all the plugs are not connected.
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