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      01-09-2013, 08:34 PM   #60
Kernel Kurtz
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Drives: '11 e90 335xi SE 6mt
Join Date: Sep 2007
Location: Winnipeg, Canada

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I wait about a minute, till the idle is stablized and the seat heaters have just begun to warm up.

At that point, the seats will heat up much faster with some revs to let the alternator generate more current, it will be easier on the battery moving to a charge rather than discharge state, and the engine will warm up much faster as well.

Everything warms up much slower if it's sitting at idle and your battery is likely showing a net drain. So long as your visibility is OK I'd just drive.