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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 11-18-2012, 06:15 PM
rote39 rote39 is offline
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Location: virginia
 
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Mein Auto: 528i
TPS replacement

I have narrowed my problem down to needing a new TPS, or at least a working one. My only question is, after I do the simple swap out, do I need to reset the adaptation values and clear the codes in the asc module and DME and everywhere else?
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  #2  
Old 11-19-2012, 12:39 PM
poolman poolman is offline
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Mein Auto: 525i station wagon
Is this drive by wire or cable--if it's cable drive on the throttlebody you may be able to switch out the sensor--if it's drive by wire--I'm not sure but I think you would have to trade out the throttlebody itself. Maybe someone else can chime in on this--but just asking the question might help
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  #3  
Old 11-19-2012, 01:50 PM
rote39 rote39 is offline
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Mein Auto: 528i
it's the pre-drive by wire throttle body... 98 528i M52 motor, build date of 7/98
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  #4  
Old 11-19-2012, 02:19 PM
edjack edjack is offline
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No, just the codes in the DME. You'll need a BMW-compatible scan tool to do it.
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  #5  
Old 11-19-2012, 03:31 PM
Steve530 Steve530 is offline
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I think he means the TPS on the secondary throttle body for the ASC problem.
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  #6  
Old 11-19-2012, 08:01 PM
rote39 rote39 is offline
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Location: virginia
 
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not sure which sensor it is... i bought a multi meter tester today and tried to self diagnose, but to no such luck... any tips on exactly how to test for a faulty sensor? and, since my CEL light is on and the asc light is on as well... would the sensors even be working?

the procedure, step by step, to diagnose both sensors... asc throttle body and main throttle body would be very helpful. I read to test both the connector wire end and the sensors as well.

I am having my indy look at the sensors wednesday morning to see which one(s) i need to order..

thanks guys.
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  #7  
Old 11-19-2012, 11:28 PM
edjack edjack is offline
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What codes are you seeing?
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  #8  
Old 11-20-2012, 07:40 AM
rote39 rote39 is offline
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Tps sensor, circuit A , and CAN throttle valve. Asc light only comes on when I'm on the highway
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