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  #1  
Old 08-06-2019, 02:45 PM
jtalka jtalka is offline
Joel T
Location: Florida
 
Join Date: Aug 2019
Posts: 3
Mein Auto: 2000 Z3 2.3
Intermitten ABS Light

My 2000 Z3 comes up with an intermittent ABS light. Sometimes it will come on upon start, sometimes while driving. What is equally strange is that it will go out while driving or disappear upon the next start. I have a couple of OBDII analyzers which show nothing. I thought I heard somewhere that this is common and related to dirt/etc. in the ABS wheel sensors. Would appreciate folks thoughts/experience with this.. Thanks!!
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  #2  
Old 08-07-2019, 01:34 PM
NZ00Z3 NZ00Z3 is offline
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Location: New Zealand
 
Join Date: Dec 2015
Posts: 259
Mein Auto: 2000 Z3 3.0i
Dirty ABS sensors are a common problem. But there will be codes in the ABS unit that will tell you what the problem is. I guessing that your scanners are only capable of reading the engine (DME) codes and not the ABS unit. You need to use the round diagnostic plug under the hood/bonnet to read the ABS codes.

If you need another scanner, look at:
- Foxwell NT520 with BMW software as it reads all computers in all Z3's
- INPA software set up on a old laptop as it reads all computers and is cheap
https://www.bimmerforums.com/forum/s...xperimentation
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  #3  
Old 08-08-2019, 04:27 AM
jtalka jtalka is offline
Joel T
Location: Florida
 
Join Date: Aug 2019
Posts: 3
Mein Auto: 2000 Z3 2.3
Hi, and Thanks!

You know years ago I had a BMW specific analyzer...came with a book of codes about an inch thick!. I don't have an old PC (Mac user) so I will look into the Foxwell..

Best!!

Joel
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  #4  
Old 08-09-2019, 10:49 AM
RedconOne RedconOne is offline
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Location: South Central PA
 
Join Date: Nov 2017
Posts: 19
Mein Auto: '00 Z3 2.3 Roadster
Had a similar problem but it was both ABS & DSC lights on my 2000 Z3 2.3. I bought a cable and downloaded the INPA package onto my laptop, which turned out to be quite an adventure, haha. But I finally got INPA running and read only one code... rear wheel speed sensor faulty signal.

I cleaned the sensor and the error went away. If you want to save a bunch of time, I'd just clean the speed sensors. Fairly easy to do if you pull the wheel.
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Old 09-11-2019, 03:31 AM
JesusFreakToo JesusFreakToo is offline
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Location: Lehigh Valley, PA
 
Join Date: Jun 2015
Posts: 21
Mein Auto: Everywhere
There are aftermarket analyzers on Ebay, but they don't read the detail of the factory computer.

I was not able to pin point my issue, but you may get lucky. My problem was a bad switch in the passenger seat buckle assembly. Had that replaced and all has been good.
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