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E85 / E86 Z4 (2003-2008)
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  #1  
Old 12-26-2012, 08:52 AM
kizzy848 kizzy848 is offline
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Location: England
 
Join Date: Dec 2012
Posts: 1
Mein Auto: Z4 2005
Question 2005 2litre

Hello,

I bought a Z4 in July and since then I have taken it back a few times for the same reasons.

1. Water is getting trapped under drivers side - I can hear the water swooshing when I brake, is this a know fault? The garage where I bought it claim it is because I park near a tree?

2. Airbag warning light - it just stays on the first time I took it back the mechanic said it was passenger seat sensor and this light can come on if you move your seat? I'm pretty sure BMW would not design a car where if you move your seat the light comes on. Again is this a known fault?

Please help

Thanks
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  #2  
Old 12-26-2012, 05:04 PM
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bten bten is offline
Luv'in Texas
Location: Missouri City, TX
 
Join Date: Sep 2002
Posts: 966
Mein Auto: '08 Z4 3.0si
Quote:
Originally Posted by kizzy848 View Post
2. Airbag warning light - it just stays on the first time I took it back the mechanic said it was passenger seat sensor and this light can come on if you move your seat? I'm pretty sure BMW would not design a car where if you move your seat the light comes on. Again is this a known fault?

Please help

Thanks
This is a known fault which showed up on many of our Z4's here in the states. I was fortunate that it showed up under warranty and BMW replaced it. It can be fixed, via replacement. I have no idea what that would cost.
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  #3  
Old 12-29-2012, 05:22 PM
SC2003Z4 SC2003Z4 is offline
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Location: Florence, SC
 
Join Date: Dec 2011
Posts: 145
Mein Auto: '03 Z4 2.5i Silver/Black
It is a rather common issue...at least I hear a lot of people complaining about it. Replacing the sensor requires removing the seat and pulling it apart(upholstery) I hear it's costly.

Has anyone here used a Seat sensor Bypass? They sell them online and fix the issue(Airbag-light will still have to be reset). The only difference is the Airbags will deploy on passenger side even if nobody is sitting there during a wreck. Cheap fix and much better than riding with Airbag light on, which will prevent airbag system from deploying at all(from what indy mechanic told me).

If anyone has used a sensor bypass please give us some feedbak.
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