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E89 hazard indicators flashing randomly

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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BirdFacts
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E89 hazard indicators flashing randomly

Post by BirdFacts » Fri Mar 22, 2024 2:27 am

Hey guys so I have a 2009 Z4 35i and I’ve been noticing while driving my hazard indicators will flash twice at times on their own. The hazards themselves don’t flash, just the indicators. And today after starting my car the indicators have gone haywire. Flashing on and off, interrupting turn signals and actual hazard light operations. Any ideas on what it could be? I’m thinking a short or a blown fuse but wanted to see if anyone else has experienced these problems on these cars before.

AnubisZed
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E89 hazard indicators flashing randomly

Post by AnubisZed » Fri Mar 22, 2024 8:39 am

I'd be looking at a short (cut/trapped wire), has any work been done to the car? Panels removed etc?

For info, the controlling module for these is the FRM (Footwell) module. It's located above the drivers legs, behind the kick panel.
Dave
2011, 23i, Grey with Red leather. 8)

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B21
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E89 hazard indicators flashing randomly

Post by B21 » Fri Mar 22, 2024 10:07 am

Sometimes they can be caused by bus issues caused by other faults..have you used a decent code reader to see what it says?
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard…
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flybobbie
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E89 hazard indicators flashing randomly

Post by flybobbie » Sun Mar 24, 2024 7:52 pm

Check for water tail lights.

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