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Old 04-10-2019, 03:47 PM
JerBearr JerBearr is offline
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Location: Murfreesboro
Join Date: Jul 2014
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Mein Auto: Automatic BMW Z4 2.5i
Airbag Light Fault with ISTA-D

OK, so I've removed all airbags in my car a time or two and I've always disconnected the battery, but I have an air bag light now. ISTA-D has lots of air bag warnings and I'm a little worried now.

I've uploaded a table with all the fault codes I have now. I am a little bit overwhelmed, especially because I am very unfamiliar with ISTA-D. I cleared all the fault codes I was given because I thought I might have triggered the light by accident at some point, but it came back immediately, so now I think something bigger is wrong.

I've done some looking and came across this thread and it seems to possibly be a lead, but I can't image both left and right satellite to conveniently go wrong at the same time.

I think all of this is made even harder because I have never heard of this satellite thing before in my life, and a couple of the codes are talking about SBS(L/R) receiver and TMFR Transmitter and I don't know what those are either. I tried to look but can't find much.

I was able to mimic a different post with a RealOEM parts search and I found this which I think is going to be helpfiul. So based off that exploded view I would need to order part #3 for left and right (from what I can tell) but again, I just don't see that fixing the problem because I find it too convenient for both of them to go out at the same time. I feel like there is a master brain driving these that is malfunctioning.

Any help is much appreciated.
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2005 Z4 2.5i

Last edited by JerBearr; 04-10-2019 at 05:52 PM.
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