The Random E46/ZHP Question Thread

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Originally Posted by TigerTater

How would one get the readiness codes back in check? I don't have codes but my car shows not ready when hooked up to my scanner


Sent from my iPhone 13

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You will need to drive cycle the car to get the readiness monitors ready.

This seems to be the BMW way:

http://www.unofficialbmw.com/images/drivecycle-2.jpg

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Originally Posted by derbo

You will need to drive cycle the car to get the readiness monitors ready.

This seems to be the BMW way:



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Wow that's crazy! Thanks for the input Derek!


Sent from my iPhone 13

That's great info! So you're saying that if someone cleared the codes, driving that sequence would essentially bring them back?

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Originally Posted by johnrando

That's great info! So you're saying that if someone cleared the codes, driving that sequence would essentially bring them back?

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Actually no. This only will re engage the OBDII readiness codes for smog inspections. Has nothing to do with the lost codes.


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A few weeks ago my car seemed to be shaking when I was stopped and the SES light came on. I turned the car off and on and the SES light hasn't been back since. Can codes be stored or does the SES light have to actively be lit for an OBDII to read it? My car hasn't done it again since so Im not worried but Im curious as to what it was.

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Originally Posted by NickZHP

A few weeks ago my car seemed to be shaking when I was stopped and the SES light came on. I turned the car off and on and the SES light hasn't been back since. Can codes be stored or does the SES light have to actively be lit for an OBDII to read it? My car hasn't done it again since so Im not worried but Im curious as to what it was.

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Go to Advance Auto and see if they will let your borrow a reader or check it for you.

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Originally Posted by ELCID86

Go to Advance Auto and see if they will let your borrow a reader or check it for you.

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I used a friend's OBDII and it returned with no codes and I did not see anything about getting stored codes. I guess Ill try Advanced Auto, maybe they can do it.

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Originally Posted by NickZHP

A few weeks ago my car seemed to be shaking when I was stopped and the SES light came on. I turned the car off and on and the SES light hasn't been back since. Can codes be stored or does the SES light have to actively be lit for an OBDII to read it? My car hasn't done it again since so Im not worried but Im curious as to what it was.

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The simple code readers usually will only show up codes that are currently present. Stored codes will need a more advanced code reader like BMW DIS/ISTA or like an autologic etc.

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Originally Posted by NickZHP

I used a friend's OBDII and it returned with no codes and I did not see anything about getting stored codes. I guess Ill try Advanced Auto, maybe they can do it.

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Sorry, worth a shot.


Thumbs, iPhone, Tapatalk.

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Originally Posted by gmurphy

How does everyone have their HK sound system set up? (Treble,Bass,ect.)

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Generally, everything flat. The previous owner upgraded the audio with BSW and Polk. The factory HK speakers will respond differently.