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      02-23-2009, 05:06 PM   #27
nmulax
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Drives: '07 Z4 M Coupe
Join Date: May 2006
Location: Metro-Detroit

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2007 Z4M Coupé  [7.66]
Quote:
Originally Posted by fatmatt0116 View Post
disconnecting the battery seems like a pain in the ass since I have limited access to tools here. Can I safely get away with letting the car sit for 30 minutes before taking out the DME?
Didn't disconnect the battery when doing my car.

Got there and popped the hood, locked the car and let the DME cool down and the car go into sleep mode - waited maybe 20 minutes (30 would be safe).
Took out the DME, had the ESS software loaded.
Plugged it all back in, started up the car, and drove home.
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