Where is the seat occupancy sensor located?

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David
Joined: Mon 16 Sep, 2013 18:33
Posts: 439

  Z3 roadster 1.9i

Where is the seat occupancy sensor located?

Post by David »

Hi All,

I was wondering if anybody could tell me where the seat occupancy sensor actually is on a standard facelift Z3 seat? Is it just linked to the seat belt pre-tensioner, or is it a mat, under the seat foam?

Answers on a postcard.

Thanks in advance,
David
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Southernboy
Joined: Thu 07 Oct, 2010 12:39
Posts: 6436

  Z3 roadster 3.0i
Location: Johannesburg

Re: Where is the seat occupancy sensor located?

Post by Southernboy »

duh... in the seat.... :roflmao:

read this.....
http://www.pelicanparts.com/bmw/techart ... Repair.htm
"Normal is overrated"
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Titan
Joined: Fri 01 Apr, 2005 20:20
Posts: 4002

  Z3 roadster 2.2i
Location: North Yorkshire

Where is the seat occupancy sensor located?

Post by Titan »

It's a pressure sensitive pad in the seat cushion :)
Kneeling on the seats had been cited as a cause of failure and replacement involves stripping the seat coverings.
Not a complicated but quite tedious job.
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David
Joined: Mon 16 Sep, 2013 18:33
Posts: 439

  Z3 roadster 1.9i

Re: Where is the seat occupancy sensor located?

Post by David »

Thanks Titan,

Mine haven't actually failed at all...

As Barry already knows, I'm looking into the possibility of transplanting them into another set of seats and swapping the bases over.

This set of seats may not necessarily be a Z3 set, or even from another BMW car.

So watch this space!!!

(I'm aware of the size issues regarding replacing Z3 seats, so I will keep everyone updated with my progress, if any.)


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Mike Fishwick
Joined: Fri 19 Jun, 2009 10:27
Posts: 2093

  Z3 roadster 2.8
Location: Daglan, France

Re: Where is the seat occupancy sensor located?

Post by Mike Fishwick »

If the occupancy sensor does fail, ther are enough people on Ebay who sell bypass units for about £10. These simply plug into the sensor socket and stop the warning lamp operating. The only downside is that if fitted to the passenger seat the airbag will operate in a percieved crash situation even if not occupied.
A Z3 is not just for Christmas - it's for life!
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