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E85 / E86 Z4 (2003-2008)
E85 Z4 Roadster, E86 Z4 Coupe, E85 Z4 M Roadster, and E86 Z4 M Coupe talk with our BMW gurus here.

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  #1  
Old 02-21-2014, 08:32 AM
RobZola RobZola is offline
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Upgrade the seats?

Hi all,

New to the forum, but I've been toying with the idea of upgrading the seats in my Z4. Wondered if anyone had changed theirs?

Thanks
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  #2  
Old 02-21-2014, 08:42 AM
Jstic Jstic is offline
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Mein Auto: 2006 Z4 3.0i
I'm in the process of upgrading from the standard seats to the M sport seats. There are aftermarket solutions too, but from what I understand, it is a lot more work.
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  #3  
Old 02-21-2014, 08:43 AM
RobZola RobZola is offline
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Great, I'll have a look into it, thanks for the reply


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  #4  
Old 02-21-2014, 10:49 AM
funkle funkle is offline
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Mein Auto: Z4 M Coupe
I spoke with a guy who says that Porsche GT2 seats are a great upgrade for the MC. He says they fit perfectly, and are a lot more comfortable.
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  #5  
Old 02-21-2014, 11:29 AM
RobZola RobZola is offline
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Ahh cool, interesting, I'll check these out too, thanks


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  #6  
Old 02-21-2014, 11:43 AM
chickdr chickdr is offline
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Quote:
Originally Posted by funkle View Post
I spoke with a guy who says that Porsche GT2 seats are a great upgrade for the MC. He says they fit perfectly, and are a lot more comfortable.
I can only imagine what those GT2 seats must cost. The M seats are expensive enough as it is.
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  #7  
Old 02-21-2014, 12:08 PM
funkle funkle is offline
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Looks like about 9K for the GT2 seats. I thought he said he could get them for 2K, maybe used? I'll ask him about it.
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  #8  
Old 02-21-2014, 01:18 PM
chickdr chickdr is offline
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$9k will almost get you a 500hp S/C kit. I think I would take that over cooler seats...
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  #9  
Old 02-21-2014, 04:57 PM
funkle funkle is offline
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I got the lowdown on the GT2 seats: About $1600 will get you a used/salvage pair. Some retrofitting of the mounting may be required, but not too complicated. He says they are super comfy, light (carbon fiber) and offer more lateral support.
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  #10  
Old 02-24-2014, 10:05 AM
Pierce Pierce is offline
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I've got the same issue. Those standard seats suck! I wonder if E46 sport seats would fit.


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  #11  
Old 02-26-2014, 12:40 PM
funkle funkle is offline
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I think the z4 seats are thinner profile since they are right up against the bulkhead. So e46 seats would be too big


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  #12  
Old 02-26-2014, 01:31 PM
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shipkiller shipkiller is offline
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You are going to have some issues unless you use ///M seats from the same era (pre-face lift or post face lift).
If you stay with BMW seats, you cannot use post-face lift seat in a pre-face lift car. The passenger seat occupancy mat interface is not compatible (unless you use a sim). The reverse is true post-face lift to pre-face lift.

If you use non-BMW seats, you will have to figure out how you are going to integrate the seat belt tensioner into the install and how you are going to cheat the passenger seat occupancy mat.

If you do not put in all the safety equipment mentioned above, you WILL get an air bag light....it will not go away.

Before you start to attempt this you really need to do some research. There is a LOT if information on the internet and other Z4 forums for this. Do not go into this blind because you will get frustrated if you do and spend more money....I always say: Search is your friend and search before you post.

For example: Aftermarket Seat Install Tips http://www.zpost.com/forums/showthread.php?t=804788
and Another Aftermarket Seat & Airbag Question http://www.zpost.com/forums/showthread.php?t=797110
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  #13  
Old 02-26-2014, 03:31 PM
Pierce Pierce is offline
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I would like to just put on the sport seats that were made for my car. 07 3.0Si. But how do I get them? I checked RealOEM.com and it shows the seats only being sold on parts and not fully assembled. I guess I'll start checking the junk yards.


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  #14  
Old 02-26-2014, 06:56 PM
Psychodo Psychodo is offline
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Mein Auto: 2008 Z4 3.0 si
Check in zpost

http://www.zpost.com/forums/showthread.php?t=951238


The m seats are very comfortable and these are in really good shape.
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  #15  
Old 08-19-2014, 04:02 PM
WRG WRG is offline
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Location: Stonehouse
 
Join Date: Aug 2014
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Mein Auto: 2003 3.0l Z4
Can I fit Z4 E89 2009 M-Sport seats in my 2003 E85?

Quote:
Originally Posted by shipkiller View Post
You are going to have some issues unless you use ///M seats from the same era (pre-face lift or post face lift).
If you stay with BMW seats, you cannot use post-face lift seat in a pre-face lift car. The passenger seat occupancy mat interface is not compatible (unless you use a sim). The reverse is true post-face lift to pre-face lift.

If you use non-BMW seats, you will have to figure out how you are going to integrate the seat belt tensioner into the install and how you are going to cheat the passenger seat occupancy mat.

If you do not put in all the safety equipment mentioned above, you WILL get an air bag light....it will not go away.

Before you start to attempt this you really need to do some research. There is a LOT if information on the internet and other Z4 forums for this. Do not go into this blind because you will get frustrated if you do and spend more money....I always say: Search is your friend and search before you post.

For example: Aftermarket Seat Install Tips http://www.zpost.com/forums/showthread.php?t=804788
and Another Aftermarket Seat & Airbag Question http://www.zpost.com/forums/showthread.php?t=797110
Hi all, very interesting posts. My new-to-me 2003 3.0L Z4 is great in many ways but I'm keen to upgrade the seats. I've spotted some M-Sport seats on eBay from a 2009 E89 Z4; has anyone tried fitting these into an 2003 E85?
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  #16  
Old 08-19-2014, 05:37 PM
chickdr chickdr is offline
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That will very likely NOT work without extensive modifications.
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  #17  
Old 08-21-2014, 04:15 PM
WRG WRG is offline
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Got it - many thanks for the advice.
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  #18  
Old 08-21-2014, 04:54 PM
kalali kalali is offline
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Mein Auto: 2003 Z4 2.5
How about seats from Cadillac Escalade?!!!
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  #19  
Old 08-22-2014, 05:53 PM
Philosohraptor Philosohraptor is offline
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Mein Auto:
Scour craigslist and eBay, and just grab yourself some E85 z4 m seats. They're incredible


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  #20  
Old 08-29-2014, 10:34 AM
Acz4 Acz4 is offline
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Location: CT
 
Join Date: Apr 2009
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Mein Auto: Z4,Vehicross,VR4
Plus to adding the M seats. I did and love them. As noted you do get the air bag light due to the newer sensor giving the wrong reading. I have yet to swap out the old sensors to the new seats.
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