Thread: Error code P0440 ?
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      09-23-2012, 06:39 PM   #3
kiwi29
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Drives: 09 M-Tech 328i
Join Date: Jul 2011
Location: Long Beach, CA

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Quote:
Originally Posted by josephbet01 View Post
There's an electric pump that pressure tests the system for leaks whenever the car "wakes up". You may hear it cycle quickly when you open the door first thing in the morning.

I believe I posted a pic of this pump at one point. It's located inside the passenger side rear wheel well under the plastic shield. Its called a DTML Pump. Worth about $100 and takes about an hour start to finish. Easy job.

http://www.e90post.com/forums/showthread.php?t=260065


If its not a loose gas cap this would be my bet.
Thank you, but do you think that this would send an emissions code?
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Quote:
Originally Posted by The HACK View Post
I'm going to use a very simple analogy, I hope you'll understand.
Driving is like having sex.
It really is. You can read up all you want about how to please a woman, you can look at all the diagrams in the world, but just like the clitoris, you won't know what the hell an apex is before you actually find it.
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