The Random E46/ZHP Question Thread

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Originally Posted by NoVAphotog

So, this question definitely fits this thread I believe, but is it "normal" to hear a buzzing/electrical whirring sound whenever you open the door, if so, what is that? Almost sounds like something is activating when the door is opened.

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Lots of weird noises. All normal. For the most part.. :)


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What's the upper limit of safe temps on the coolant?

I'm at autocross idling in a big line of cars and hitting 100 degrees pretty quick.

The burden of information now that I found the hidden OBC functions lol

100'c? Mine gets up to 98-99 ish in traffic sometimes. It doesn't go above that. Turn your ac on to activate the secondary fan and increase engine rpms


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Does anyone have any recs on vanos seals replacement? I heard that the anti-rattle kit is not nessc. If you don't have the rattle yet? I'm at 88k


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Originally Posted by stephenkirsh

What's the upper limit of safe temps on the coolant?

I'm at autocross idling in a big line of cars and hitting 100 degrees pretty quick.

The burden of information now that I found the hidden OBC functions lol

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When's the last time you bled the system?


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Originally Posted by TigerTater

Does anyone have any recs on vanos seals replacement? I heard that the anti-rattle kit is not nessc. If you don't have the rattle yet? I'm at 88k


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Sure. Don't install the ARK if you don't have the rattle.

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Originally Posted by gmurphy

When's the last time you bled the system?


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The entire system was replaced in December, and included a Stewart pump upgrade.

I only got 100+ when sitting in the exhaust of the car in front of me. We have a better grid set up in the afternoon and it's idling around 98.


I also go it to hit 101 at the very end of my lap. As soon as I backed off heading back to grid it normal out.

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Originally Posted by danewilson77

Sure. Don't install the ARK if you don't have the rattle.

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Sound advice. Seals added to list...


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Quote:

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Originally Posted by stephenkirsh

What's the upper limit of safe temps on the coolant?

I'm at autocross idling in a big line of cars and hitting 100 degrees pretty quick.

The burden of information now that I found the hidden OBC functions lol

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Never got an answer so I'll rephrase it:

At what temperature do I need to shut the car down?