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  #1  
Old 05-15-2019, 02:56 PM
Nitram22 Nitram22 is offline
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Mein Auto:
Hi.
A couple weeks ago while driving I hit a bump, my left side blinker began blinking and instrument cluster showed brights were on. Searched internet unplugged "Ride height sensor" soon after the "4x4 light", "brake fluid light" and "bulb of exterior lighting is out light" all came on. I have since replaced the Ride Height sensor and this corrected the blinker. However the other lights are still on and now my 3 Brake lights are always on (when vehicle is running). as well as the headlights, even with the switch to off position. See attached pics.

Ordered a scan tool, should have it by Friday and will run a scan will post results.
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Last edited by Nitram22; 05-15-2019 at 06:56 PM.
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  #2  
Old 05-15-2019, 07:04 PM
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Q4 Q4 is offline
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Mein Auto: 2008 x3
Loose battery cable?
Bad headlight switch?
Bad brake light switch?
Bad ignition switch?
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  #3  
Old 05-16-2019, 02:34 AM
Nitram22 Nitram22 is offline
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Mein Auto:
Thanks for the reply.
I disconnected the battery for about 20-25 mins to see if it would clear the codes, so the cables are nice and tight and I replaced the brake switch. I will wait until I get my scan tool and see if it gives me any more info maybe it will steer me towards the light or ignition switch. Thanks again.
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  #4  
Old 05-16-2019, 04:32 AM
BMWaufKS BMWaufKS is online now
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If were only the brake light, I'd guess a relay. But that an interesting combination -- must have been quite a pothole that you hit!

As with any weird electrical problems on these cars 1) replace the ground straps (if not done already) and 2) make sure the battery is good/fully charged. Good luck with your search; hope it is not a computer that fried.
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Old 05-16-2019, 04:42 AM
Nitram22 Nitram22 is offline
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If you lived in Eastern Canada you would understand that potholes are pretty significant around here. Lol
Any idea where these straps are located and how many there are.

Thanks
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  #6  
Old 05-16-2019, 06:16 AM
DangermouseX3 DangermouseX3 is offline
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Try disconnecting the battery and touching the two leads together for a minute or two (I don't mean shorting the battery !!! Just the leads from the car). This seems to ground the various ECUS and reset some issues. I have had success with this method for various rouge lights.

Other than that, it may be whichever ECU controls the lighting has a bad connection or something internal. Sorry, no idea where that would be.

Main ground strap is under the car (passenger side) between the engine and the frame to the right of the transmission, just behind the right front wheel. Secondary one is to the rear from the exhaust to the frame.
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Old 05-16-2019, 06:50 AM
Nitram22 Nitram22 is offline
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Disconnected the battery and crossed the leads for about 20+ minutes, no change. Will check the ground straps.

Thanks
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  #8  
Old 05-16-2019, 07:41 AM
dukedkt442 dukedkt442 is offline
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Quote:
Originally Posted by Nitram22 View Post
Disconnected the battery and crossed the leads for about 20+ minutes, no change. Will check the ground straps.

Thanks
Probably won't make a difference, but when doing that, I've only ever disconnected the negative, and run a jumper from the unhooked negative cable to the positive terminal (still attached).
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Old 05-18-2019, 06:36 AM
Nitram22 Nitram22 is offline
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Found the issue. All these problems were due to Fuse #9 was replaced in the wrong slot.
I now have zero lights on. ***x1f60a;***x1f60a;

Thanks for the replies.
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  #10  
Old 05-20-2019, 08:00 AM
DangermouseX3 DangermouseX3 is offline
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Please elaborate.

Did it switch positions when you hit the bump?

Was there no fuse in position 9? and still the lights were lit? I'm confused
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  #11  
Old 05-20-2019, 04:27 PM
Nitram22 Nitram22 is offline
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It was my fault. When the height sensor went, I pulled the fuses to check them and I placed #9 in the wrong slot.
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  #12  
Old 05-20-2019, 04:29 PM
Nitram22 Nitram22 is offline
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Mein Auto:
It would appear the if this fuse goes, the brake lights come on as a warning. That is the only explanation I can figure.
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