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Old 03-06-2011, 08:50 PM
franka franka is offline
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Location: Lakewood
Join Date: Jan 2006
Posts: 8,776
Mein Auto: E39 540i Sport
Originally Posted by ztom View Post
Here's what I found, may help others.

>Bag light came on (actually on car start goes on as usual, but blinks off then stays on in this case)
>Bought a Peake R5/srs code reader, very easy to use
>Code was drivers belt buckle. Read on other posts this is a common fault. (The other common fault apparently is the passenger side mat in the seat that detects a person
>Of course want to not have an issue but fyi read that when there is a SRS fault the system will tend to favor keeping the system active.
>Read that in an accident the buckle will drop down to take up slack. Read on auto parts site (Pelican?) that this assembly has compressed nitrogen. I guess that when released (maybe by a pyro charge?) it pulls the buckle down. I think the issue is the buckle has a switch that senses when the buckles in and over time the switch gets faulty?

>I cleaned the buckle with a spray can of contact cleaner and small tube. Also bent the buckle over and tapped it to try to shake out any dust/sand/lint.
>Reset the SRS and the fault has not come back (yet?). Next time I have time I'll replace it. Heard it is an easy job.
This is good.

540, Dirrezas (4) @ 275/35-18 ea, Eibach springs & bars, Bilstein Sports, Dinan Stage 2, slotted ATEs, Hi-Temp HTP pads, SS Lines, UUC-SS, White/Tan, Bling-free & Stealthy
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