Thread: Coolant flush
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      12-01-2012, 06:48 PM   #4
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Drives: 09 M-Tech 328i
Join Date: Jul 2011
Location: Long Beach, CA

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Originally Posted by Efthreeoh View Post
This is backwards. The T-stat will throw a code and will illuminate the SES light, so you will know when it goes bad. But "going bad" only means the heating element has failed in it, the t-stat will still operate properly. The only way to "keep an eye" on the waterpump is to scan the ECU for shadow codes that indicate a slow waterpump speed, which do not illuminate the SES. Once you find the code for a slow waterpump it means the pump is on the way out.
Thanks for the correction!
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.