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      04-10-2013, 01:40 PM   #7
yousefnjr
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Drives: ‘06 Z4MR, ‘20 X7, ‘22 M4x
Join Date: Dec 2012
Location: Bay Area, CA

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AFAIK the AC compressor is belt driven and has a clutch, which closes when you turn your AC on, otherwise the pulley is free-wheeling. I doubt the lines running the refrigerant have any cooling effect on under-hood temps.

Last edited by yousefnjr; 04-10-2013 at 02:49 PM.. Reason: Typo
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