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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 12-28-2012, 07:18 AM
garcub garcub is offline
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Location: Montgomery, AL
 
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Mein Auto: 2002 330i
O2 sensor replacement question

As I'm learning this being my first BMW...I know when you replace certain things you need to go in with something like INPA and reset the adaptation values so it can learn the new part....I have 169k on my 330 and am going to replace the upstream oxygen sensors. If I just do a replacement will the computer adapt properly or does an adaptation reset have to be performed? I don't have access or a way to do that.
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  #2  
Old 12-28-2012, 04:12 PM
garcub garcub is offline
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anyone???
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  #3  
Old 12-28-2012, 05:16 PM
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G. P. Burdell G. P. Burdell is offline
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Location: Southeastern U.S.
 
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When I was reviewing the technical literature in preparation for replacing my car's pre-cat sensors, neither TIS nor the Bentley manual mentioned the need to reset adaptation values.
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  #4  
Old 12-28-2012, 05:33 PM
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smolck smolck is offline
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Replace them and go about you life. If you have codes just clear them. Otherwise you need to do nothing else.

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  #5  
Old 12-28-2012, 05:33 PM
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jonathan2263 jonathan2263 is offline
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No adaptation needed. It's plug n play.
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  #6  
Old 12-28-2012, 05:43 PM
garcub garcub is offline
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SWEET! thanks guys! got em ordered
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  #7  
Old 12-28-2012, 09:36 PM
GoForthFast GoForthFast is offline
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For the future, most things replaced do not require resets with the computer.
It is the exception to need to reset.
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Old 12-29-2012, 10:07 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by garcub View Post
you need to go in with something like INPA
We wrote a good explanation of all the tools here:
- Explanations of INPA, EDIABAS, NCS Expert, DIS, EasyDIS, Progman, & other BMW factory & dealer programming, coding, and diagnostic software & cable interfaces (1)

You E46 guys have a specific sister thread on the tools also (it's referenced in that thread above if you don't find it elsewise).

Quote:
Originally Posted by GoForthFast View Post
It is the exception to need to reset.
For the E39, we listed the modules that require a reset. They should be similar for the E46, I would think:
- How to better understand your 17-character BMW VIN (1) (2) (3) (4) (5) (6) and online BMW VIN decoders (0) (1) (2) (3) (4) & what is the definitive list of electronic computer modules that need recoding once replaced (1)
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See also: E39 Bestlinks & How to easily find what you need, in seconds!
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