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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Helped needed - Can brake sensors be bypassed?



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      04-01-2011, 02:40 PM   #1
bmwstylexx
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Helped needed - Can brake sensors be bypassed?

So I've been having issues with the red car on lift and brake light warnings - replaced the brakes and sensors and light still stays on, reset the brake system and it now shows 40,000 miles... light was still on. Dealership said the sensors were bad so I purchased new ones but did not connect to the brake pads.. i just tied them back out of the way with twist ties. Reset the brake system.... lights are still on.

I was hoping by not connecting them to the brake pads this would bypass the warning lights or future problems with the light coming back on??! Any suggestions on how i can get this red lift light off?
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      04-01-2011, 03:10 PM   #2
Eric@e2design
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why not just do it right?
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      04-01-2011, 04:05 PM   #3
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Quote:
Originally Posted by Eric@e2design View Post
why not just do it right?
The car is out of warranty and the dealer charges me $120 everytime to tell me there is an issue with the sensors.
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      04-01-2011, 04:28 PM   #4
Eric@e2design
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I ment properly install the sensors
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      04-01-2011, 04:42 PM   #5
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Quote:
Originally Posted by Eric@e2design View Post
I ment properly install the sensors
bc when theyre installed the brake warning lights don't go away. Dealer said it may need recalibrating (the computer) and I'm not paying $350 for that to be done. Was hoping that bypassing them alltogether would get rid of the warning lights.
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      04-01-2011, 04:54 PM   #6
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You can't. The brake light fault code is store in the computer and the code needs to be wiped out and rest via a coder. You either need a coder of your own, or you need someone with access to one that you can PAY.
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      04-01-2011, 04:58 PM   #7
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also theres a parts warranty on bmw parts bought from a bmw dealer (not sure about brake sensors but if you had a faulty sensor)
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      04-01-2011, 05:52 PM   #8
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Thanks for the input guys. I got them bypassed by cutting the wires and connecting the two ends together. The warning lights are finally off!
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