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Technical Topics iDrive, Nav, Phone, Audio, Video, Cameras, Electronics "Driver Assistance support reduced" error message

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      03-08-2019, 04:50 PM   #1
ksd4aadg
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"Driver Assistance support reduced" error message

I got my 330 M Sport 3 weeks ago. Love the car but from the get go, 'Driver Assistance Support Reduced' error would continuously flash on my nav screen. See picture attached. It'd usually last a few minutes and it'd fix itself. I brought the car in for repair and they upgraded the system and sent me home. The error continues to pop up more and more and I've scheduled another service. Anyone else running into this? Super annoying and a hassle after 3 weeks living with this car. I checked the X5 forum and sounds like it's common problem with the Kafas camera. I guess I should have expected this with the systems being so new.
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Last edited by ksd4aadg; 03-08-2019 at 04:51 PM. Reason: More info
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      03-08-2019, 05:21 PM   #2
cangenBMW
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This has been a pretty common issue with the new G05 X5 as well. Seems there was a bad batch of KAFAS cameras and the fix is to have the whole sensor array replaced. It may also be that the sensors are dirty/obstructed but considering how covered this topic is on the G05 forum I'm guessing it's a faulty camera array.

https://g05.bimmerpost.com/forums/sh....php?t=1573619
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      03-08-2019, 06:11 PM   #3
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The Kafas system isn't new to BMW, it's been in the F30 and I01 i3 for years. Most probably a bad batch. I've had mine replaced in the i3 before, not a big deal so long as they fix the problem with the hardware.
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      03-09-2019, 02:54 AM   #4
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Doesn't that show what the affected system is? In my G30, it usually points to either radars or KAFAS
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      03-09-2019, 12:53 PM   #5
ksd4aadg
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When I select 'Affected Systems', it shows Lane Departure warning and Frontal Collision warning. I turned off the lane departure warning feature. So far no warnings after a day. We'll see if this is does the trick until they get it fixed.
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      03-11-2019, 06:29 AM   #6
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Quote:
Originally Posted by jmg View Post
The Kafas system isn't new to BMW, it's been in the F30 and I01 i3 for years. Most probably a bad batch. I've had mine replaced in the i3 before, not a big deal so long as they fix the problem with the hardware.
The G20 has a new(ish?) KAFAS high camera though, see posts #3 and #4 of https://g20.bimmerpost.com/forums/sh....php?t=1589218

This one might have some initial issues, dunno.
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      03-13-2019, 10:42 PM   #7
ksd4aadg
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Got the car back from the dealer after the second visit. They're ordering the camera and they think it'll be in by the end of March. Hopefully the second camera fixes this. We'll see.
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