Re: Brake Lining Light

["Ron Buchalski" <rbuchals@xxxxxxxxxxx>]

David,

Most likely, one of the wear sensors is bad, or the wiring to one of the 
wear sensors is faulty.

There is a wear sensor on the inboard pad of the left-front and right-rear 
brake.  Check the condition of these wear sensors.  Also, you can unplug the 
wear sensor from the wiring harness, and use a wire to jumper the two 
contacts, to see if the light goes out.

If the brake pads have plenty of life left in them, then most likely the 
wear sensors were not replaced when the pads were replaced the last time.  
Wear sensors are cheap - less than $10 each, from your dealer.

If you DO end up replacing a wear sensor, cut off the old sensor, but save 
the plug, and solder the two wires together to make a "tester" for future 
brake sensor tests.  Or, if you do track events and use track pads, replace 
the wear sensors with these wire jumpers when you install the track pads.  
You won't need the wear sensors for the track weekend, and it'll keep the 
BRAKE LINING light extinguished during the track events.

- -rb

>
>Date: Mon, 20 May 2002 07:32:26 -0700
>From: "David W. Reichel" <reichel2@domain.elided>
>Subject: Brake Lining Light
>
>First let me say, as a new, first time BMW owner of a 1984 325e, I have 
>found
>this digest to be very informative.  My "problem" is that my "brake lining 
>"
>dash light comes on intermittently and some times stays on for an extended
>period of time before going out.  I have check the pads and they are good.
>What causes this problem?
>
>Thanks
>David W. Reichel


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