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Bmw e39 98 manual 523i lately my abs and ASC is acting up. Sometimes it works sometimes it doesnt... All the speed sensors show good live data, I get this code "drehzahlfuehler hinten rechts" and one other that I dont remember. The german code read something like right sensor I think?.. but front or rear? Thanks in advance, hope the module isnt dead xx
 

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BMW CCA 69606
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Controller Area Network is a communications system thru which microprocessors communicate with one another. I suppose an error means something interrupted/prevented communication. I would replace wheel sensor w/error, check connections and see if error returns.
 

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2001 BMW E39 540i Automatic Sedan, 192 K miles
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1,575 Posts
CAN error (INPA code 67) is a temporary condition. It can be caused by a ...low battery. I have seen it on my car. So, I'd recharge the battery, clear the code, and see if it comes back.

The other error (Code 5) indicates a problem with the right rear speed sensor. Check it, clean it and/or replace it.
 
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