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E36 M3 (1995-1999)

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  #1  
Old 02-10-2010, 06:44 AM
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Edgy36-39 Edgy36-39 is offline
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The Brake Light Circuit Fail

Just published a post on the common brake light circuit failure. It can be a bigger PITA than it first appears.

http://bit.ly/dvVfT4
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  #2  
Old 07-25-2010, 09:52 PM
DesertRat78 DesertRat78 is offline
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I had similar issues with my brake lights. Try lightly sanding the contacts in the socket where the light fixture plugs in. Also slightly bend out the tabs on the fixture. But be careful not to bend them out too far. Hope this helps
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  #3  
Old 07-29-2010, 07:11 PM
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Edgy36-39 Edgy36-39 is offline
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That can be cause sometimes, but most of the time its the switch behind the brake pedal, nothing to do with lights themselves.
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I LIKE OLDER BMWS, PLEASE HELP ME:
Fern Green 99 M3, Conforti Shark Software, Conforti CAI, Dinan Exhaust. Stamped LTWs, 235x40 square, OEM Hella heads, ///M Pedal Kit, Clear Corners, OEM Rear Spoiler, CD43 stereo. MRegistry listing here.
Le Mans 2002 M5, Black/Titanium, Rogue SSK, Dinan exhaust, PSS9 coilovers, Euro rotors, iPod integration. MRegistry listing here.

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  #4  
Old 08-01-2010, 05:13 AM
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rrsperry rrsperry is offline
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There is a big difference between "Brake Light Circuit failure" message, and Brake Light Failure" message.

The brake light circuit is usually caused by the switch on the pedal. It's not that hard. in fact the hardest parts is getting yourself under there. I've found that just removing the seat makes it a lot easier. Then you have to understand how the switch mounts.

Depress the brake pedal, pull out the white stem, pull out the red locking ring, and then squeeze the two mounts. It really helps to look at the new switch to see how it works.
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  #5  
Old 09-29-2010, 01:32 PM
susan28 susan28 is offline
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Mein Auto: 1998 m3 5-speed sedan
i've been getting this message for 2 years, been thru whole wire-traces, new onboard computers, all of it. last time i yook it in, they knocked out the clock.

the thing is, my brakelights DO work.

could this have something to do with the rear-window light being disconnected due to coming with a spoiler?

i'm at wits' end with this glitch..
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  #6  
Old 10-10-2010, 05:05 PM
Jrcanes55 Jrcanes55 is offline
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I'm working on that right now. I got the switch weeks ago and put it off because everyone says it's a pain in the A$$. Sure enough it was. I sat (when I say sat I was actually arched in the most uncomfortable position in the history of the world) and fought with that switch for close to two hours. It is the hardest thing I've had to do on that car and I've done brakes, short shifter, throttle body, trans. oil, diff. oil and headliner.
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