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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E38 (1995 - 2001)

7 Series - E38 (1995 - 2001)

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  #1  
Old 04-15-2013, 10:31 AM
wjohn wjohn is offline
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Location: Youngwood, PA
 
Join Date: Apr 2013
Posts: 4
Mein Auto: 1998 BMW 740il
Exclamation Speed Sensor? question - 1998 740il (Early)

Ok, please understand... I know there are already a zillion posts about this subject (which I have read thoroughly). Please bear with me, but I cant find a post that is similar to my situation (they have the newer Bosch 5.7 pump). Any help would be GREATLY appreciated.

Here's the story: I just bought an 07/98 BMW 740il a few weeks ago. This car (as i'm sure many of you know) has the 5.0 (non-repairable) Bosch ABS Unit on it. Check Engine Light (P0500), ABS, Traction control lights are all on. Speedo & Cruise worked fine. After reading online, I ordered all new speed sensors. Installed them. Lights are still all on and now the speedometer doesn't work. I took it to a shop and had it scanned and the live data on the scanner said only the front drivers side wheel was getting any signal. I bought a used 5.0 pump online and installed it (which seems like probably a waste now that I have done some more reading) and it didnt help anything. One HUGE question that I cant find the answer to - If the connector for the sensor breaks in the wheel well, can the wires be cut and then crimp connectors used? Or will the resistance be incorrect and signal be interrupted? Any help is HUGELY appreciated because I LOVE this car but have to get it inspected and cant because of the lights... I want to get it fixed asap. Thanks again for any help!
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  #2  
Old 04-16-2013, 06:32 AM
wjohn wjohn is offline
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Location: Youngwood, PA
 
Join Date: Apr 2013
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Mein Auto: 1998 BMW 740il
Bump - Anyone??
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  #3  
Old 04-19-2013, 08:46 AM
wjohn wjohn is offline
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Location: Youngwood, PA
 
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Mein Auto: 1998 BMW 740il
Really? No one?
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  #4  
Old 04-19-2013, 09:39 AM
jitsjaf2009 jitsjaf2009 is offline
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Location: Hemet, Ca
 
Join Date: Aug 2012
Posts: 451
Mein Auto: 1995 325i Convertible
Good question and I don't KNOW the answer, but had to splice my brake lining sensor line temporarily while locating a replace ment plug and that worked.
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  #5  
Old 04-19-2013, 10:01 AM
wjohn wjohn is offline
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Location: Youngwood, PA
 
Join Date: Apr 2013
Posts: 4
Mein Auto: 1998 BMW 740il
Thanks for the info and reply...But the brake sensor is different... Its simply a continuity sensor... Hoping SOMEONE can help with this?
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  #6  
Old 04-19-2013, 12:40 PM
umewes umewes is offline
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Location: NJ
 
Join Date: Jan 2013
Posts: 76
Mein Auto: 2001 740i
The ABS wheel speed sensors are proximity sensors. From a electrical point of view no problem using crimp connectors to get by. When you order replacement note that front wheel sensors have a different partnumber then rear wheel sensors. They a around 40 bucks at partsgeek.
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