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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 11-26-2012, 06:20 AM
sweeper3 sweeper3 is offline
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Location: Florida
 
Join Date: Nov 2012
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Mein Auto: E36 328i
Help "Rear brake sensor

I just replaced my rear rotors and pads and at the same time decided to replace the wear sensor. Now I have a dash light on, i tried replacing with the worn pad, since it never hit the wear sensor and still have the light.

I put an ohm meter across the two leads and it shows a dead short between the leads. I did this on the old one and new one, they show the same. But it has the light.

Do i need to reset this from a stealership or is there another solution..

1998 328i

Thanks very much

Rob
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  #2  
Old 11-26-2012, 09:56 AM
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hornhospital hornhospital is offline
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Check the connection of the sensor to the harness in the wheel well. The sensors operate as a continuous path (what you called a dead short). When it wears through it opens the circuit and you get a brake wear warning light. If you're getting a wear light with a new sensor, it's not making connection with the harness.
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Old 11-26-2012, 11:36 AM
sweeper3 sweeper3 is offline
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Location: Florida
 
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Mein Auto: E36 328i
Quote:
Originally Posted by hornhospital View Post
Check the connection of the sensor to the harness in the wheel well. The sensors operate as a continuous path (what you called a dead short). When it wears through it opens the circuit and you get a brake wear warning light. If you're getting a wear light with a new sensor, it's not making connection with the harness.
This what I was thinking. Both the new sensor and old one show the same thing. I've opened the connection box thinking a pin was bent or something, nope. I will look again to see if something isn't connected.

Thanks for replying. I wasn't sure if i needed to go to a dealer to get the code reset. I guess not!!

Thanks again I'll post up what I find

Rob
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