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      11-14-2012, 04:21 PM   #10
teamben158's Avatar
Drives: 2008 AW 335i
Join Date: Mar 2011
Location: Chicago, IL

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Originally Posted by DanielGonz View Post
What is this REST button used for?? E92 335 here.
You use it in cold weather to keep your car warm.

Shut the car off and it keeps the heat circulating for 30 minutes (I think?) because it keeps the water pump running.

It's pretty damn awesome over the winter.
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