The Random E46/ZHP Question Thread

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Originally Posted by az3579

O2 sensors are technically a 100k item. Even if they don't throw codes, you could still get a fuel economy bump by replacing them.


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Good to know. I have them on hand and plan to do soon.


Thumbs, iPhone, Tapatalk.

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Originally Posted by ELCID86

Good to know. I have them on hand and plan to do soon.


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Just as a side note, my BMW Master Tech friend recommended I only replace the pre-cat sensors because if I replace the post-cat ones it could potentially throw codes that the cats are bad


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Originally Posted by az3579

Just as a side note, my BMW Master Tech friend recommended I only replace the pre-cat sensors because if I replace the post-cat ones it could potentially throw codes that the cats are bad


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Which would be a good thing... not for our wallets though. :rofl

Mine are definitely on the verge of replacement.

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Originally Posted by alexandre

Which would be a good thing... not for our wallets though. :rofl

Mine are definitely on the verge of replacement.

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Replacing only 2 instead of 4 is not good for our wallets? Am I missing something? :)

2......4...... it doesn't matter. Those O2 sendors are pricy

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Originally Posted by cakM3

2......4...... it doesn't matter. Those O2 sendors are pricy

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Last year I swapped out all 4 at once....

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Originally Posted by az3579

Replacing only 2 instead of 4 is not good for our wallets? Am I missing something? :)

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Needing to replace the cats to pass inspection is ;)

What part of the VANOS makes the rattle?

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Originally Posted by stephenkirsh

What part of the VANOS makes the rattle?

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Bearing spacers

For $250, this seems to be a good deal. Does anybody know the wheel size (16", 17", 18") ?
http://austin.craigslist.org/pts/4816376201.html