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      09-30-2011, 05:02 PM   #91
Eleven Bravo
mike3000fl's Avatar
Drives: 06 330i
Join Date: Feb 2010
Location: ft bragg

Posts: 2,171
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how do you hold it 30 seconds without starting the water pump cycle?

after holding the gas for 10 seconds it starts a 12 minute electric water pump venting cycle, used after a coolant change

See this diy.

the noise people hear is probably the water pump doing its thing.
2006 330i - Jet Black - 19" E46 M3 wheels - HR Sport - 199,000 Miles...

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